| Value | Category | Cases | |
|---|---|---|---|
| 2 | 4 | 
                                    
                                    16%
                                 | |
| 3 | 8 | 
                                    
                                    32%
                                 | |
| 4 | 1 | 
                                    
                                    4%
                                 | |
| 5 | 5 | 
                                    
                                    20%
                                 | |
| 6 | 1 | 
                                    
                                    4%
                                 | |
| 10 | 5 | 
                                    
                                    20%
                                 | |
| 12 | 1 | 
                                    
                                    4%
                                 | |
| 77 | Refuse to answer | 0 | 
                                    
                                    0%
                                 | 
| 99 | Do not know | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 6195 |