| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 | 
                                    
                                    7.7%
                                 | 
| 1 | 1 | 
                                    
                                    1.9%
                                 | |
| 20 | 2 | 
                                    
                                    3.8%
                                 | |
| 29 | 1 | 
                                    
                                    1.9%
                                 | |
| 30 | 1 | 
                                    
                                    1.9%
                                 | |
| 40 | 1 | 
                                    
                                    1.9%
                                 | |
| 42 | 1 | 
                                    
                                    1.9%
                                 | |
| 48 | 1 | 
                                    
                                    1.9%
                                 | |
| 70 | 1 | 
                                    
                                    1.9%
                                 | |
| 80 | 1 | 
                                    
                                    1.9%
                                 | |
| 145 | 1 | 
                                    
                                    1.9%
                                 | |
| 160 | 1 | 
                                    
                                    1.9%
                                 | |
| 170 | 1 | 
                                    
                                    1.9%
                                 | |
| 200 | 1 | 
                                    
                                    1.9%
                                 | |
| 210 | 1 | 
                                    
                                    1.9%
                                 | |
| 220 | 1 | 
                                    
                                    1.9%
                                 | |
| 224 | 1 | 
                                    
                                    1.9%
                                 | |
| 240 | 2 | 
                                    
                                    3.8%
                                 | |
| 300 | 3 | 
                                    
                                    5.8%
                                 | |
| 360 | 1 | 
                                    
                                    1.9%
                                 | |
| 400 | 3 | 
                                    
                                    5.8%
                                 | |
| 420 | 1 | 
                                    
                                    1.9%
                                 | |
| 500 | 1 | 
                                    
                                    1.9%
                                 | |
| 504 | 1 | 
                                    
                                    1.9%
                                 | |
| 525 | 1 | 
                                    
                                    1.9%
                                 | |
| 575 | 1 | 
                                    
                                    1.9%
                                 | |
| 600 | 1 | 
                                    
                                    1.9%
                                 | |
| 624 | 1 | 
                                    
                                    1.9%
                                 | |
| 750 | 1 | 
                                    
                                    1.9%
                                 | |
| 800 | 1 | 
                                    
                                    1.9%
                                 | |
| 810 | 1 | 
                                    
                                    1.9%
                                 | |
| 850 | 1 | 
                                    
                                    1.9%
                                 | |
| 900 | 1 | 
                                    
                                    1.9%
                                 | |
| 1170 | 1 | 
                                    
                                    1.9%
                                 | |
| 1200 | 1 | 
                                    
                                    1.9%
                                 | |
| 1599 | 1 | 
                                    
                                    1.9%
                                 | |
| 3000 | 1 | 
                                    
                                    1.9%
                                 | |
| 3200 | 1 | 
                                    
                                    1.9%
                                 | |
| 4000 | 1 | 
                                    
                                    1.9%
                                 | |
| 4500 | 1 | 
                                    
                                    1.9%
                                 | |
| 6800 | 1 | 
                                    
                                    1.9%
                                 | |
| 10000 | 1 | 
                                    
                                    1.9%
                                 | |
| 12000 | 1 | 
                                    
                                    1.9%
                                 | |
| Sysmiss | 311 |