| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| -9 | Don't know (spontaneous) | 0 | 
                                    
                                    0%
                                 | 
| 0 | 140 | 
                                    
                                    73.3%
                                 | |
| 2 | 1 | 
                                    
                                    0.5%
                                 | |
| 3 | 4 | 
                                    
                                    2.1%
                                 | |
| 4 | 4 | 
                                    
                                    2.1%
                                 | |
| 5 | 4 | 
                                    
                                    2.1%
                                 | |
| 6 | 1 | 
                                    
                                    0.5%
                                 | |
| 8 | 5 | 
                                    
                                    2.6%
                                 | |
| 9 | 2 | 
                                    
                                    1%
                                 | |
| 10 | 2 | 
                                    
                                    1%
                                 | |
| 11 | 1 | 
                                    
                                    0.5%
                                 | |
| 12 | 4 | 
                                    
                                    2.1%
                                 | |
| 14 | 2 | 
                                    
                                    1%
                                 | |
| 17 | 1 | 
                                    
                                    0.5%
                                 | |
| 20 | 2 | 
                                    
                                    1%
                                 | |
| 27 | 1 | 
                                    
                                    0.5%
                                 | |
| 30 | 3 | 
                                    
                                    1.6%
                                 | |
| 39 | 1 | 
                                    
                                    0.5%
                                 | |
| 45 | 1 | 
                                    
                                    0.5%
                                 | |
| 50 | 2 | 
                                    
                                    1%
                                 | |
| 57 | 1 | 
                                    
                                    0.5%
                                 | |
| 62 | 1 | 
                                    
                                    0.5%
                                 | |
| 69 | 1 | 
                                    
                                    0.5%
                                 | |
| 80 | 1 | 
                                    
                                    0.5%
                                 | |
| 94 | 1 | 
                                    
                                    0.5%
                                 | |
| 120 | 1 | 
                                    
                                    0.5%
                                 | |
| 200 | 1 | 
                                    
                                    0.5%
                                 | |
| 233 | 1 | 
                                    
                                    0.5%
                                 | |
| 250 | 1 | 
                                    
                                    0.5%
                                 | |
| 300 | 1 | 
                                    
                                    0.5%
                                 | |
| Sysmiss | 154 |