| Value | Category | Cases | |
|---|---|---|---|
| 0 | 97 | 
                                    
                                    10.1%
                                 | |
| 1 | 136 | 
                                    
                                    14.2%
                                 | |
| 2 | 188 | 
                                    
                                    19.6%
                                 | |
| 3 | 218 | 
                                    
                                    22.7%
                                 | |
| 4 | 139 | 
                                    
                                    14.5%
                                 | |
| 5 | 97 | 
                                    
                                    10.1%
                                 | |
| 6 | 46 | 
                                    
                                    4.8%
                                 | |
| 7 | 18 | 
                                    
                                    1.9%
                                 | |
| 8 | 8 | 
                                    
                                    0.8%
                                 | |
| 9 | 2 | 
                                    
                                    0.2%
                                 | |
| 10 | 2 | 
                                    
                                    0.2%
                                 | |
| 12 | 1 | 
                                    
                                    0.1%
                                 | |
| 13 | 1 | 
                                    
                                    0.1%
                                 | |
| 15 | 1 | 
                                    
                                    0.1%
                                 | |
| 88 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| 99 | Missing | 6 | 
                                    
                                    0.6%
                                 | 
| Sysmiss | 1 |