| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 46 | 
                                    
                                    42.6%
                                 | 
| 20000 | 1 | 
                                    
                                    0.9%
                                 | |
| 70000 | 1 | 
                                    
                                    0.9%
                                 | |
| 75000 | 1 | 
                                    
                                    0.9%
                                 | |
| 150000 | 1 | 
                                    
                                    0.9%
                                 | |
| 180000 | 2 | 
                                    
                                    1.9%
                                 | |
| 200000 | 4 | 
                                    
                                    3.7%
                                 | |
| 250000 | 1 | 
                                    
                                    0.9%
                                 | |
| 280000 | 1 | 
                                    
                                    0.9%
                                 | |
| 295000 | 1 | 
                                    
                                    0.9%
                                 | |
| 300000 | 1 | 
                                    
                                    0.9%
                                 | |
| 350000 | 3 | 
                                    
                                    2.8%
                                 | |
| 400000 | 1 | 
                                    
                                    0.9%
                                 | |
| 420000 | 1 | 
                                    
                                    0.9%
                                 | |
| 450000 | 2 | 
                                    
                                    1.9%
                                 | |
| 500000 | 5 | 
                                    
                                    4.6%
                                 | |
| 600000 | 3 | 
                                    
                                    2.8%
                                 | |
| 620000 | 1 | 
                                    
                                    0.9%
                                 | |
| 700000 | 1 | 
                                    
                                    0.9%
                                 | |
| 750000 | 1 | 
                                    
                                    0.9%
                                 | |
| 850000 | 1 | 
                                    
                                    0.9%
                                 | |
| 870000 | 1 | 
                                    
                                    0.9%
                                 | |
| 875000 | 1 | 
                                    
                                    0.9%
                                 | |
| 900000 | 1 | 
                                    
                                    0.9%
                                 | |
| 1000000 | 1 | 
                                    
                                    0.9%
                                 | |
| 1050000 | 1 | 
                                    
                                    0.9%
                                 | |
| 1250000 | 1 | 
                                    
                                    0.9%
                                 | |
| 1500000 | 1 | 
                                    
                                    0.9%
                                 | |
| 1800000 | 1 | 
                                    
                                    0.9%
                                 | |
| 2000000 | 5 | 
                                    
                                    4.6%
                                 | |
| 2300000 | 1 | 
                                    
                                    0.9%
                                 | |
| 2400000 | 1 | 
                                    
                                    0.9%
                                 | |
| 2500000 | 1 | 
                                    
                                    0.9%
                                 | |
| 2858337 | 1 | 
                                    
                                    0.9%
                                 | |
| 2880000 | 1 | 
                                    
                                    0.9%
                                 | |
| 2900000 | 1 | 
                                    
                                    0.9%
                                 | |
| 3000000 | 3 | 
                                    
                                    2.8%
                                 | |
| 4000000 | 2 | 
                                    
                                    1.9%
                                 | |
| 4800000 | 1 | 
                                    
                                    0.9%
                                 | |
| 9000000 | 1 | 
                                    
                                    0.9%
                                 | |
| 10000000 | 1 | 
                                    
                                    0.9%
                                 | |
| 12000000 | 1 | 
                                    
                                    0.9%
                                 | |
| 50000000 | 1 | 
                                    
                                    0.9%
                                 | |
| Sysmiss | 537 |