| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 15 | 
                                    
                                    9.3%
                                 | 
| 150000 | 1 | 
                                    
                                    0.6%
                                 | |
| 250000 | 2 | 
                                    
                                    1.2%
                                 | |
| 400000 | 1 | 
                                    
                                    0.6%
                                 | |
| 500000 | 3 | 
                                    
                                    1.9%
                                 | |
| 550000 | 1 | 
                                    
                                    0.6%
                                 | |
| 650000 | 1 | 
                                    
                                    0.6%
                                 | |
| 700000 | 1 | 
                                    
                                    0.6%
                                 | |
| 800000 | 1 | 
                                    
                                    0.6%
                                 | |
| 900000 | 2 | 
                                    
                                    1.2%
                                 | |
| 1000000 | 11 | 
                                    
                                    6.8%
                                 | |
| 1200000 | 2 | 
                                    
                                    1.2%
                                 | |
| 1280000 | 1 | 
                                    
                                    0.6%
                                 | |
| 1500000 | 2 | 
                                    
                                    1.2%
                                 | |
| 1850000 | 1 | 
                                    
                                    0.6%
                                 | |
| 2000000 | 9 | 
                                    
                                    5.6%
                                 | |
| 2500000 | 4 | 
                                    
                                    2.5%
                                 | |
| 2750000 | 1 | 
                                    
                                    0.6%
                                 | |
| 3000000 | 9 | 
                                    
                                    5.6%
                                 | |
| 5000000 | 11 | 
                                    
                                    6.8%
                                 | |
| 6000000 | 2 | 
                                    
                                    1.2%
                                 | |
| 7000000 | 3 | 
                                    
                                    1.9%
                                 | |
| 7500000 | 1 | 
                                    
                                    0.6%
                                 | |
| 8400000 | 1 | 
                                    
                                    0.6%
                                 | |
| 9000000 | 1 | 
                                    
                                    0.6%
                                 | |
| 10000000 | 11 | 
                                    
                                    6.8%
                                 | |
| 13000000 | 1 | 
                                    
                                    0.6%
                                 | |
| 15000000 | 2 | 
                                    
                                    1.2%
                                 | |
| 20000000 | 5 | 
                                    
                                    3.1%
                                 | |
| 25000000 | 5 | 
                                    
                                    3.1%
                                 | |
| 30000000 | 3 | 
                                    
                                    1.9%
                                 | |
| 35000000 | 1 | 
                                    
                                    0.6%
                                 | |
| 37000000 | 1 | 
                                    
                                    0.6%
                                 | |
| 50000000 | 4 | 
                                    
                                    2.5%
                                 | |
| 60000000 | 1 | 
                                    
                                    0.6%
                                 | |
| 70000000 | 4 | 
                                    
                                    2.5%
                                 | |
| 80000000 | 3 | 
                                    
                                    1.9%
                                 | |
| 85000000 | 1 | 
                                    
                                    0.6%
                                 | |
| 90000000 | 3 | 
                                    
                                    1.9%
                                 | |
| 100000000 | 8 | 
                                    
                                    5%
                                 | |
| 120000000 | 1 | 
                                    
                                    0.6%
                                 | |
| 150000000 | 2 | 
                                    
                                    1.2%
                                 | |
| 160000000 | 1 | 
                                    
                                    0.6%
                                 | |
| 170000000 | 2 | 
                                    
                                    1.2%
                                 | |
| 180000000 | 1 | 
                                    
                                    0.6%
                                 | |
| 200000000 | 1 | 
                                    
                                    0.6%
                                 | |
| 220000000 | 1 | 
                                    
                                    0.6%
                                 | |
| 250000000 | 4 | 
                                    
                                    2.5%
                                 | |
| 300000000 | 3 | 
                                    
                                    1.9%
                                 | |
| 500000000 | 2 | 
                                    
                                    1.2%
                                 | |
| 750000000 | 1 | 
                                    
                                    0.6%
                                 | |
| 1000000000 | 2 | 
                                    
                                    1.2%
                                 | |
| Sysmiss | 1255 |