| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 16 | 
                                    
                                    14.4%
                                 | 
| 0 | 1 | 
                                    
                                    0.9%
                                 | |
| 5000 | 1 | 
                                    
                                    0.9%
                                 | |
| 10000 | 1 | 
                                    
                                    0.9%
                                 | |
| 20000 | 2 | 
                                    
                                    1.8%
                                 | |
| 26000 | 1 | 
                                    
                                    0.9%
                                 | |
| 36000 | 1 | 
                                    
                                    0.9%
                                 | |
| 45000 | 1 | 
                                    
                                    0.9%
                                 | |
| 50000 | 1 | 
                                    
                                    0.9%
                                 | |
| 60000 | 1 | 
                                    
                                    0.9%
                                 | |
| 70000 | 1 | 
                                    
                                    0.9%
                                 | |
| 80000 | 1 | 
                                    
                                    0.9%
                                 | |
| 87200 | 1 | 
                                    
                                    0.9%
                                 | |
| 100000 | 2 | 
                                    
                                    1.8%
                                 | |
| 120000 | 2 | 
                                    
                                    1.8%
                                 | |
| 147000 | 1 | 
                                    
                                    0.9%
                                 | |
| 150000 | 2 | 
                                    
                                    1.8%
                                 | |
| 180000 | 2 | 
                                    
                                    1.8%
                                 | |
| 184800 | 1 | 
                                    
                                    0.9%
                                 | |
| 192000 | 1 | 
                                    
                                    0.9%
                                 | |
| 200000 | 2 | 
                                    
                                    1.8%
                                 | |
| 250000 | 2 | 
                                    
                                    1.8%
                                 | |
| 300000 | 3 | 
                                    
                                    2.7%
                                 | |
| 342324 | 1 | 
                                    
                                    0.9%
                                 | |
| 360000 | 3 | 
                                    
                                    2.7%
                                 | |
| 450000 | 1 | 
                                    
                                    0.9%
                                 | |
| 480000 | 1 | 
                                    
                                    0.9%
                                 | |
| 500000 | 2 | 
                                    
                                    1.8%
                                 | |
| 506045 | 1 | 
                                    
                                    0.9%
                                 | |
| 517000 | 1 | 
                                    
                                    0.9%
                                 | |
| 523800 | 1 | 
                                    
                                    0.9%
                                 | |
| 560000 | 1 | 
                                    
                                    0.9%
                                 | |
| 600000 | 2 | 
                                    
                                    1.8%
                                 | |
| 639000 | 1 | 
                                    
                                    0.9%
                                 | |
| 700000 | 2 | 
                                    
                                    1.8%
                                 | |
| 750000 | 2 | 
                                    
                                    1.8%
                                 | |
| 780000 | 1 | 
                                    
                                    0.9%
                                 | |
| 800000 | 2 | 
                                    
                                    1.8%
                                 | |
| 944000 | 1 | 
                                    
                                    0.9%
                                 | |
| 950000 | 1 | 
                                    
                                    0.9%
                                 | |
| 960000 | 2 | 
                                    
                                    1.8%
                                 | |
| 1000000 | 2 | 
                                    
                                    1.8%
                                 | |
| 1010000 | 1 | 
                                    
                                    0.9%
                                 | |
| 1200000 | 4 | 
                                    
                                    3.6%
                                 | |
| 1500000 | 2 | 
                                    
                                    1.8%
                                 | |
| 1600000 | 1 | 
                                    
                                    0.9%
                                 | |
| 1800000 | 1 | 
                                    
                                    0.9%
                                 | |
| 1850000 | 1 | 
                                    
                                    0.9%
                                 | |
| 2000000 | 2 | 
                                    
                                    1.8%
                                 | |
| 2268000 | 1 | 
                                    
                                    0.9%
                                 | |
| 2400000 | 3 | 
                                    
                                    2.7%
                                 | |
| 2800000 | 1 | 
                                    
                                    0.9%
                                 | |
| 3000000 | 1 | 
                                    
                                    0.9%
                                 | |
| 3600000 | 2 | 
                                    
                                    1.8%
                                 | |
| 3800000 | 1 | 
                                    
                                    0.9%
                                 | |
| 4000000 | 3 | 
                                    
                                    2.7%
                                 | |
| 4500000 | 2 | 
                                    
                                    1.8%
                                 | |
| 6000000 | 1 | 
                                    
                                    0.9%
                                 | |
| 6500000 | 2 | 
                                    
                                    1.8%
                                 | |
| 8400000 | 1 | 
                                    
                                    0.9%
                                 | |
| 10000000 | 1 | 
                                    
                                    0.9%
                                 | |
| 10700000 | 1 | 
                                    
                                    0.9%
                                 | |
| 20000000 | 1 | 
                                    
                                    0.9%
                                 | |
| 24000000 | 1 | 
                                    
                                    0.9%
                                 | |
| 36000000 | 1 | 
                                    
                                    0.9%
                                 | |
| 55000000 | 1 | 
                                    
                                    0.9%
                                 |