| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 44 | 
                                    
                                    39.6%
                                 | 
| -7 | Does not apply | 3 | 
                                    
                                    2.7%
                                 | 
| 14400 | 1 | 
                                    
                                    0.9%
                                 | |
| 17000 | 1 | 
                                    
                                    0.9%
                                 | |
| 40000 | 1 | 
                                    
                                    0.9%
                                 | |
| 45000 | 1 | 
                                    
                                    0.9%
                                 | |
| 60000 | 1 | 
                                    
                                    0.9%
                                 | |
| 72000 | 2 | 
                                    
                                    1.8%
                                 | |
| 84000 | 1 | 
                                    
                                    0.9%
                                 | |
| 85000 | 1 | 
                                    
                                    0.9%
                                 | |
| 96000 | 1 | 
                                    
                                    0.9%
                                 | |
| 100000 | 2 | 
                                    
                                    1.8%
                                 | |
| 120000 | 1 | 
                                    
                                    0.9%
                                 | |
| 150000 | 1 | 
                                    
                                    0.9%
                                 | |
| 200000 | 3 | 
                                    
                                    2.7%
                                 | |
| 216000 | 1 | 
                                    
                                    0.9%
                                 | |
| 220000 | 1 | 
                                    
                                    0.9%
                                 | |
| 228000 | 1 | 
                                    
                                    0.9%
                                 | |
| 230000 | 2 | 
                                    
                                    1.8%
                                 | |
| 240000 | 3 | 
                                    
                                    2.7%
                                 | |
| 250000 | 1 | 
                                    
                                    0.9%
                                 | |
| 276000 | 1 | 
                                    
                                    0.9%
                                 | |
| 279960 | 1 | 
                                    
                                    0.9%
                                 | |
| 284000 | 1 | 
                                    
                                    0.9%
                                 | |
| 300000 | 1 | 
                                    
                                    0.9%
                                 | |
| 312000 | 1 | 
                                    
                                    0.9%
                                 | |
| 350000 | 1 | 
                                    
                                    0.9%
                                 | |
| 360000 | 1 | 
                                    
                                    0.9%
                                 | |
| 386000 | 1 | 
                                    
                                    0.9%
                                 | |
| 400000 | 1 | 
                                    
                                    0.9%
                                 | |
| 420000 | 1 | 
                                    
                                    0.9%
                                 | |
| 432000 | 1 | 
                                    
                                    0.9%
                                 | |
| 480000 | 1 | 
                                    
                                    0.9%
                                 | |
| 536000 | 1 | 
                                    
                                    0.9%
                                 | |
| 700000 | 1 | 
                                    
                                    0.9%
                                 | |
| 750000 | 1 | 
                                    
                                    0.9%
                                 | |
| 800000 | 1 | 
                                    
                                    0.9%
                                 | |
| 921600 | 1 | 
                                    
                                    0.9%
                                 | |
| 960000 | 2 | 
                                    
                                    1.8%
                                 | |
| 980000 | 1 | 
                                    
                                    0.9%
                                 | |
| 1000000 | 1 | 
                                    
                                    0.9%
                                 | |
| 1100000 | 1 | 
                                    
                                    0.9%
                                 | |
| 1200000 | 6 | 
                                    
                                    5.4%
                                 | |
| 1400000 | 1 | 
                                    
                                    0.9%
                                 | |
| 1478400 | 1 | 
                                    
                                    0.9%
                                 | |
| 2000000 | 1 | 
                                    
                                    0.9%
                                 | |
| 2100000 | 1 | 
                                    
                                    0.9%
                                 | |
| 2200000 | 1 | 
                                    
                                    0.9%
                                 | |
| 2400000 | 2 | 
                                    
                                    1.8%
                                 | |
| 2500000 | 1 | 
                                    
                                    0.9%
                                 | |
| 3000000 | 1 | 
                                    
                                    0.9%
                                 | |
| 5000000 | 1 | 
                                    
                                    0.9%
                                 |