| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| -77 | Does not apply | 0 | 
                                    
                                    0%
                                 | 
| -9 | Don't know (spontaneous) | 3 | 
                                    
                                    2%
                                 | 
| -7 | Does not apply (spontaneous) | 0 | 
                                    
                                    0%
                                 | 
| 0 | 112 | 
                                    
                                    73.2%
                                 | |
| 1 | 5 | 
                                    
                                    3.3%
                                 | |
| 2 | 4 | 
                                    
                                    2.6%
                                 | |
| 3 | 5 | 
                                    
                                    3.3%
                                 | |
| 4 | 1 | 
                                    
                                    0.7%
                                 | |
| 5 | 5 | 
                                    
                                    3.3%
                                 | |
| 6 | 3 | 
                                    
                                    2%
                                 | |
| 7 | 2 | 
                                    
                                    1.3%
                                 | |
| 8 | 1 | 
                                    
                                    0.7%
                                 | |
| 9 | 1 | 
                                    
                                    0.7%
                                 | |
| 10 | 2 | 
                                    
                                    1.3%
                                 | |
| 15 | 2 | 
                                    
                                    1.3%
                                 | |
| 20 | 1 | 
                                    
                                    0.7%
                                 | |
| 25 | 1 | 
                                    
                                    0.7%
                                 | |
| 50 | 2 | 
                                    
                                    1.3%
                                 | |
| 100 | 1 | 
                                    
                                    0.7%
                                 | |
| 170 | 1 | 
                                    
                                    0.7%
                                 | |
| 204 | 1 | 
                                    
                                    0.7%
                                 | |
| Sysmiss | 192 |