| Value | Category | Cases | |
|---|---|---|---|
| 1 | 5 - 9 | 1761 | 
                                    
                                    42.7%
                                 | 
| 2 | 10 - 14 | 1346 | 
                                    
                                    32.7%
                                 | 
| 3 | 15 - 17 | 864 | 
                                    
                                    21%
                                 | 
| Sysmiss | 151 | 
                                    
                                    3.7%
                                 |