| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 | 
                                    
                                    7.6%
                                 | 
| 0 | 14 | 
                                    
                                    8.9%
                                 | |
| 10000 | 1 | 
                                    
                                    0.6%
                                 | |
| 60000 | 1 | 
                                    
                                    0.6%
                                 | |
| 120000 | 1 | 
                                    
                                    0.6%
                                 | |
| 127600 | 1 | 
                                    
                                    0.6%
                                 | |
| 150000 | 1 | 
                                    
                                    0.6%
                                 | |
| 200000 | 1 | 
                                    
                                    0.6%
                                 | |
| 215800 | 1 | 
                                    
                                    0.6%
                                 | |
| 300000 | 1 | 
                                    
                                    0.6%
                                 | |
| 340500 | 1 | 
                                    
                                    0.6%
                                 | |
| 400000 | 2 | 
                                    
                                    1.3%
                                 | |
| 480000 | 1 | 
                                    
                                    0.6%
                                 | |
| 500000 | 8 | 
                                    
                                    5.1%
                                 | |
| 524000 | 1 | 
                                    
                                    0.6%
                                 | |
| 600000 | 1 | 
                                    
                                    0.6%
                                 | |
| 800000 | 2 | 
                                    
                                    1.3%
                                 | |
| 900000 | 3 | 
                                    
                                    1.9%
                                 | |
| 1000000 | 33 | 
                                    
                                    21%
                                 | |
| 1100000 | 1 | 
                                    
                                    0.6%
                                 | |
| 1125000 | 1 | 
                                    
                                    0.6%
                                 | |
| 1200000 | 9 | 
                                    
                                    5.7%
                                 | |
| 1300000 | 5 | 
                                    
                                    3.2%
                                 | |
| 1350000 | 1 | 
                                    
                                    0.6%
                                 | |
| 1500000 | 12 | 
                                    
                                    7.6%
                                 | |
| 1550000 | 1 | 
                                    
                                    0.6%
                                 | |
| 1800000 | 2 | 
                                    
                                    1.3%
                                 | |
| 2000000 | 14 | 
                                    
                                    8.9%
                                 | |
| 2500000 | 2 | 
                                    
                                    1.3%
                                 | |
| 3000000 | 7 | 
                                    
                                    4.5%
                                 | |
| 3144000 | 1 | 
                                    
                                    0.6%
                                 | |
| 3150000 | 1 | 
                                    
                                    0.6%
                                 | |
| 4000000 | 2 | 
                                    
                                    1.3%
                                 | |
| 5000000 | 4 | 
                                    
                                    2.5%
                                 | |
| 6000000 | 2 | 
                                    
                                    1.3%
                                 | |
| 10000000 | 2 | 
                                    
                                    1.3%
                                 | |
| 12000000 | 2 | 
                                    
                                    1.3%
                                 | |
| 13000000 | 1 | 
                                    
                                    0.6%
                                 | |
| 15000000 | 1 | 
                                    
                                    0.6%
                                 |