| Value | Category | Cases | |
|---|---|---|---|
| 1 | 663 | 
                                    
                                    58.5%
                                 | |
| 2 | 172 | 
                                    
                                    15.2%
                                 | |
| 3 | 92 | 
                                    
                                    8.1%
                                 | |
| 4 | 40 | 
                                    
                                    3.5%
                                 | |
| 5 | 111 | 
                                    
                                    9.8%
                                 | |
| 8 | don't know | 55 | 
                                    
                                    4.9%
                                 | 
| Sysmiss | 13813 |