| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 192 | 
                                    
                                    31.4%
                                 | 
| 0 | 49 | 
                                    
                                    8%
                                 | |
| 3 | 1 | 
                                    
                                    0.2%
                                 | |
| 50 | 1 | 
                                    
                                    0.2%
                                 | |
| 100 | 13 | 
                                    
                                    2.1%
                                 | |
| 120 | 2 | 
                                    
                                    0.3%
                                 | |
| 200 | 9 | 
                                    
                                    1.5%
                                 | |
| 250 | 1 | 
                                    
                                    0.2%
                                 | |
| 300 | 9 | 
                                    
                                    1.5%
                                 | |
| 400 | 4 | 
                                    
                                    0.7%
                                 | |
| 450 | 1 | 
                                    
                                    0.2%
                                 | |
| 480 | 1 | 
                                    
                                    0.2%
                                 | |
| 500 | 11 | 
                                    
                                    1.8%
                                 | |
| 600 | 4 | 
                                    
                                    0.7%
                                 | |
| 670 | 1 | 
                                    
                                    0.2%
                                 | |
| 700 | 2 | 
                                    
                                    0.3%
                                 | |
| 765 | 1 | 
                                    
                                    0.2%
                                 | |
| 800 | 4 | 
                                    
                                    0.7%
                                 | |
| 900 | 3 | 
                                    
                                    0.5%
                                 | |
| 975 | 1 | 
                                    
                                    0.2%
                                 | |
| 1000 | 26 | 
                                    
                                    4.2%
                                 | |
| 1050 | 1 | 
                                    
                                    0.2%
                                 | |
| 1200 | 6 | 
                                    
                                    1%
                                 | |
| 1300 | 1 | 
                                    
                                    0.2%
                                 | |
| 1440 | 1 | 
                                    
                                    0.2%
                                 | |
| 1500 | 4 | 
                                    
                                    0.7%
                                 | |
| 1600 | 2 | 
                                    
                                    0.3%
                                 | |
| 2000 | 23 | 
                                    
                                    3.8%
                                 | |
| 2200 | 1 | 
                                    
                                    0.2%
                                 | |
| 2400 | 3 | 
                                    
                                    0.5%
                                 | |
| 2700 | 2 | 
                                    
                                    0.3%
                                 | |
| 3000 | 12 | 
                                    
                                    2%
                                 | |
| 3800 | 1 | 
                                    
                                    0.2%
                                 | |
| 4000 | 9 | 
                                    
                                    1.5%
                                 | |
| 4400 | 1 | 
                                    
                                    0.2%
                                 | |
| 4600 | 1 | 
                                    
                                    0.2%
                                 | |
| 5000 | 11 | 
                                    
                                    1.8%
                                 | |
| 5400 | 1 | 
                                    
                                    0.2%
                                 | |
| 6000 | 3 | 
                                    
                                    0.5%
                                 | |
| 7000 | 9 | 
                                    
                                    1.5%
                                 | |
| 8000 | 7 | 
                                    
                                    1.1%
                                 | |
| 9000 | 7 | 
                                    
                                    1.1%
                                 | |
| 10000 | 35 | 
                                    
                                    5.7%
                                 | |
| 11400 | 1 | 
                                    
                                    0.2%
                                 | |
| 12000 | 7 | 
                                    
                                    1.1%
                                 | |
| 13000 | 2 | 
                                    
                                    0.3%
                                 | |
| 14000 | 2 | 
                                    
                                    0.3%
                                 | |
| 15000 | 7 | 
                                    
                                    1.1%
                                 | |
| 15200 | 1 | 
                                    
                                    0.2%
                                 | |
| 16000 | 4 | 
                                    
                                    0.7%
                                 | |
| 18000 | 2 | 
                                    
                                    0.3%
                                 | |
| 20000 | 27 | 
                                    
                                    4.4%
                                 | |
| 24000 | 3 | 
                                    
                                    0.5%
                                 | |
| 25000 | 2 | 
                                    
                                    0.3%
                                 | |
| 30000 | 13 | 
                                    
                                    2.1%
                                 | |
| 35000 | 2 | 
                                    
                                    0.3%
                                 | |
| 40000 | 7 | 
                                    
                                    1.1%
                                 | |
| 43200 | 1 | 
                                    
                                    0.2%
                                 | |
| 45000 | 1 | 
                                    
                                    0.2%
                                 | |
| 50000 | 7 | 
                                    
                                    1.1%
                                 | |
| 60000 | 8 | 
                                    
                                    1.3%
                                 | |
| 70000 | 3 | 
                                    
                                    0.5%
                                 | |
| 80000 | 1 | 
                                    
                                    0.2%
                                 | |
| 83000 | 1 | 
                                    
                                    0.2%
                                 | |
| 85000 | 1 | 
                                    
                                    0.2%
                                 | |
| 100000 | 2 | 
                                    
                                    0.3%
                                 | |
| 200000 | 6 | 
                                    
                                    1%
                                 | |
| 225000 | 1 | 
                                    
                                    0.2%
                                 | |
| 500000 | 1 | 
                                    
                                    0.2%
                                 | |
| 600000 | 1 | 
                                    
                                    0.2%
                                 | |
| 1000000 | 2 | 
                                    
                                    0.3%
                                 | |
| 4000000 | 1 | 
                                    
                                    0.2%
                                 | |
| 4200000 | 1 | 
                                    
                                    0.2%
                                 | |
| 5000000 | 1 | 
                                    
                                    0.2%
                                 | |
| 8000000 | 1 | 
                                    
                                    0.2%
                                 | |
| 10000000 | 3 | 
                                    
                                    0.5%
                                 | |
| 12000000 | 1 | 
                                    
                                    0.2%
                                 | |
| 16000000 | 1 | 
                                    
                                    0.2%
                                 | |
| 20000000 | 3 | 
                                    
                                    0.5%
                                 | |
| 25000000 | 1 | 
                                    
                                    0.2%
                                 | |
| 30000000 | 2 | 
                                    
                                    0.3%
                                 | |
| 36000000 | 1 | 
                                    
                                    0.2%
                                 | |
| 40000000 | 1 | 
                                    
                                    0.2%
                                 | |
| 60000000 | 1 | 
                                    
                                    0.2%
                                 | |
| 80000000 | 1 | 
                                    
                                    0.2%
                                 |