| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 9 | 
                                    
                                    1.6%
                                 | 
| -8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 0 | 150 | 
                                    
                                    27.5%
                                 | |
| 1 | 49 | 
                                    
                                    9%
                                 | |
| 2 | 35 | 
                                    
                                    6.4%
                                 | |
| 3 | 23 | 
                                    
                                    4.2%
                                 | |
| 4 | 18 | 
                                    
                                    3.3%
                                 | |
| 5 | 26 | 
                                    
                                    4.8%
                                 | |
| 6 | 12 | 
                                    
                                    2.2%
                                 | |
| 7 | 19 | 
                                    
                                    3.5%
                                 | |
| 8 | 14 | 
                                    
                                    2.6%
                                 | |
| 9 | 4 | 
                                    
                                    0.7%
                                 | |
| 10 | 49 | 
                                    
                                    9%
                                 | |
| 11 | 6 | 
                                    
                                    1.1%
                                 | |
| 12 | 10 | 
                                    
                                    1.8%
                                 | |
| 13 | 9 | 
                                    
                                    1.6%
                                 | |
| 15 | 16 | 
                                    
                                    2.9%
                                 | |
| 16 | 7 | 
                                    
                                    1.3%
                                 | |
| 17 | 2 | 
                                    
                                    0.4%
                                 | |
| 18 | 3 | 
                                    
                                    0.5%
                                 | |
| 19 | 2 | 
                                    
                                    0.4%
                                 | |
| 20 | 23 | 
                                    
                                    4.2%
                                 | |
| 22 | 1 | 
                                    
                                    0.2%
                                 | |
| 23 | 3 | 
                                    
                                    0.5%
                                 | |
| 24 | 2 | 
                                    
                                    0.4%
                                 | |
| 25 | 8 | 
                                    
                                    1.5%
                                 | |
| 27 | 1 | 
                                    
                                    0.2%
                                 | |
| 28 | 2 | 
                                    
                                    0.4%
                                 | |
| 29 | 1 | 
                                    
                                    0.2%
                                 | |
| 30 | 5 | 
                                    
                                    0.9%
                                 | |
| 32 | 1 | 
                                    
                                    0.2%
                                 | |
| 33 | 6 | 
                                    
                                    1.1%
                                 | |
| 35 | 2 | 
                                    
                                    0.4%
                                 | |
| 37 | 1 | 
                                    
                                    0.2%
                                 | |
| 40 | 3 | 
                                    
                                    0.5%
                                 | |
| 42 | 1 | 
                                    
                                    0.2%
                                 | |
| 45 | 2 | 
                                    
                                    0.4%
                                 | |
| 47 | 1 | 
                                    
                                    0.2%
                                 | |
| 48 | 1 | 
                                    
                                    0.2%
                                 | |
| 50 | 5 | 
                                    
                                    0.9%
                                 | |
| 55 | 2 | 
                                    
                                    0.4%
                                 | |
| 56 | 1 | 
                                    
                                    0.2%
                                 | |
| 58 | 1 | 
                                    
                                    0.2%
                                 | |
| 60 | 3 | 
                                    
                                    0.5%
                                 | |
| 65 | 1 | 
                                    
                                    0.2%
                                 | |
| 75 | 1 | 
                                    
                                    0.2%
                                 | |
| 80 | 2 | 
                                    
                                    0.4%
                                 | |
| 90 | 1 | 
                                    
                                    0.2%
                                 | |
| 100 | 2 | 
                                    
                                    0.4%
                                 | |
| Sysmiss | 409 |