| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                    
                                    0%
                                 | 
| 0 | 5 | 
                                    
                                    1.6%
                                 | |
| 1 | 7 | 
                                    
                                    2.2%
                                 | |
| 2 | 14 | 
                                    
                                    4.5%
                                 | |
| 3 | 12 | 
                                    
                                    3.8%
                                 | |
| 4 | 13 | 
                                    
                                    4.2%
                                 | |
| 5 | 15 | 
                                    
                                    4.8%
                                 | |
| 6 | 11 | 
                                    
                                    3.5%
                                 | |
| 7 | 7 | 
                                    
                                    2.2%
                                 | |
| 8 | 8 | 
                                    
                                    2.6%
                                 | |
| 9 | 3 | 
                                    
                                    1%
                                 | |
| 10 | 11 | 
                                    
                                    3.5%
                                 | |
| 11 | 2 | 
                                    
                                    0.6%
                                 | |
| 12 | 5 | 
                                    
                                    1.6%
                                 | |
| 13 | 3 | 
                                    
                                    1%
                                 | |
| 14 | 2 | 
                                    
                                    0.6%
                                 | |
| 15 | 8 | 
                                    
                                    2.6%
                                 | |
| 16 | 2 | 
                                    
                                    0.6%
                                 | |
| 17 | 5 | 
                                    
                                    1.6%
                                 | |
| 18 | 3 | 
                                    
                                    1%
                                 | |
| 20 | 7 | 
                                    
                                    2.2%
                                 | |
| 22 | 1 | 
                                    
                                    0.3%
                                 | |
| 23 | 2 | 
                                    
                                    0.6%
                                 | |
| 25 | 12 | 
                                    
                                    3.8%
                                 | |
| 26 | 2 | 
                                    
                                    0.6%
                                 | |
| 27 | 1 | 
                                    
                                    0.3%
                                 | |
| 29 | 1 | 
                                    
                                    0.3%
                                 | |
| 30 | 7 | 
                                    
                                    2.2%
                                 | |
| 31 | 1 | 
                                    
                                    0.3%
                                 | |
| 32 | 2 | 
                                    
                                    0.6%
                                 | |
| 34 | 2 | 
                                    
                                    0.6%
                                 | |
| 35 | 2 | 
                                    
                                    0.6%
                                 | |
| 36 | 2 | 
                                    
                                    0.6%
                                 | |
| 37 | 1 | 
                                    
                                    0.3%
                                 | |
| 38 | 1 | 
                                    
                                    0.3%
                                 | |
| 40 | 15 | 
                                    
                                    4.8%
                                 | |
| 43 | 3 | 
                                    
                                    1%
                                 | |
| 45 | 5 | 
                                    
                                    1.6%
                                 | |
| 48 | 1 | 
                                    
                                    0.3%
                                 | |
| 49 | 2 | 
                                    
                                    0.6%
                                 | |
| 50 | 5 | 
                                    
                                    1.6%
                                 | |
| 52 | 2 | 
                                    
                                    0.6%
                                 | |
| 55 | 1 | 
                                    
                                    0.3%
                                 | |
| 58 | 1 | 
                                    
                                    0.3%
                                 | |
| 60 | 6 | 
                                    
                                    1.9%
                                 | |
| 61 | 1 | 
                                    
                                    0.3%
                                 | |
| 63 | 1 | 
                                    
                                    0.3%
                                 | |
| 65 | 2 | 
                                    
                                    0.6%
                                 | |
| 70 | 7 | 
                                    
                                    2.2%
                                 | |
| 75 | 4 | 
                                    
                                    1.3%
                                 | |
| 79 | 1 | 
                                    
                                    0.3%
                                 | |
| 80 | 4 | 
                                    
                                    1.3%
                                 | |
| 84 | 1 | 
                                    
                                    0.3%
                                 | |
| 85 | 1 | 
                                    
                                    0.3%
                                 | |
| 90 | 2 | 
                                    
                                    0.6%
                                 | |
| 91 | 1 | 
                                    
                                    0.3%
                                 | |
| 92 | 1 | 
                                    
                                    0.3%
                                 | |
| 100 | 8 | 
                                    
                                    2.6%
                                 | |
| 103 | 2 | 
                                    
                                    0.6%
                                 | |
| 105 | 1 | 
                                    
                                    0.3%
                                 | |
| 110 | 1 | 
                                    
                                    0.3%
                                 | |
| 114 | 1 | 
                                    
                                    0.3%
                                 | |
| 120 | 4 | 
                                    
                                    1.3%
                                 | |
| 128 | 1 | 
                                    
                                    0.3%
                                 | |
| 130 | 3 | 
                                    
                                    1%
                                 | |
| 140 | 2 | 
                                    
                                    0.6%
                                 | |
| 142 | 1 | 
                                    
                                    0.3%
                                 | |
| 150 | 6 | 
                                    
                                    1.9%
                                 | |
| 153 | 1 | 
                                    
                                    0.3%
                                 | |
| 160 | 2 | 
                                    
                                    0.6%
                                 | |
| 165 | 1 | 
                                    
                                    0.3%
                                 | |
| 166 | 1 | 
                                    
                                    0.3%
                                 | |
| 170 | 1 | 
                                    
                                    0.3%
                                 | |
| 182 | 1 | 
                                    
                                    0.3%
                                 | |
| 189 | 1 | 
                                    
                                    0.3%
                                 | |
| 200 | 3 | 
                                    
                                    1%
                                 | |
| 204 | 1 | 
                                    
                                    0.3%
                                 | |
| 225 | 1 | 
                                    
                                    0.3%
                                 | |
| 245 | 1 | 
                                    
                                    0.3%
                                 | |
| 250 | 1 | 
                                    
                                    0.3%
                                 | |
| 260 | 1 | 
                                    
                                    0.3%
                                 | |
| 270 | 1 | 
                                    
                                    0.3%
                                 | |
| 300 | 4 | 
                                    
                                    1.3%
                                 | |
| 306 | 1 | 
                                    
                                    0.3%
                                 | |
| 340 | 1 | 
                                    
                                    0.3%
                                 | |
| 350 | 1 | 
                                    
                                    0.3%
                                 | |
| 372 | 1 | 
                                    
                                    0.3%
                                 | |
| 500 | 2 | 
                                    
                                    0.6%
                                 | |
| 552 | 1 | 
                                    
                                    0.3%
                                 | |
| 600 | 1 | 
                                    
                                    0.3%
                                 | |
| 700 | 2 | 
                                    
                                    0.6%
                                 | |
| 800 | 1 | 
                                    
                                    0.3%
                                 | |
| 997 | 1 | 
                                    
                                    0.3%
                                 | |
| 1512 | 1 | 
                                    
                                    0.3%
                                 | |
| 3000 | 1 | 
                                    
                                    0.3%
                                 | |
| 6000 | 1 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 299 |