| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| -88 | Refusal | 0 | 
                                    
                                    0%
                                 | 
| -77 | Not applicable | 0 | 
                                    
                                    0%
                                 | 
| 0 | 92 | 
                                    
                                    67.6%
                                 | |
| 1 | 20 | 
                                    
                                    14.7%
                                 | |
| 2 | 15 | 
                                    
                                    11%
                                 | |
| 3 | 3 | 
                                    
                                    2.2%
                                 | |
| 4 | 2 | 
                                    
                                    1.5%
                                 | |
| 5 | 2 | 
                                    
                                    1.5%
                                 | |
| 6 | 1 | 
                                    
                                    0.7%
                                 | |
| 10 | 1 | 
                                    
                                    0.7%
                                 | |
| Sysmiss | 799 |