| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| -8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| -5 | Not applicable | 0 | 
                                    
                                    0%
                                 | 
| -3 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | 1 | 
                                    
                                    6.7%
                                 | |
| 2 | 1 | 
                                    
                                    6.7%
                                 | |
| 6 | 1 | 
                                    
                                    6.7%
                                 | |
| 7 | 1 | 
                                    
                                    6.7%
                                 | |
| 8 | 1 | 
                                    
                                    6.7%
                                 | |
| 13 | 1 | 
                                    
                                    6.7%
                                 | |
| 14 | 2 | 
                                    
                                    13.3%
                                 | |
| 35 | 3 | 
                                    
                                    20%
                                 | |
| 45 | 1 | 
                                    
                                    6.7%
                                 | |
| 47 | 2 | 
                                    
                                    13.3%
                                 | |
| 76 | 1 | 
                                    
                                    6.7%
                                 | |
| Sysmiss | 984 |