| Value | Category | Cases | |
|---|---|---|---|
| 1 | 00 to 06 | 689 | 
                                    
                                    47.2%
                                 | 
| 2 | 07 to 12 | 327 | 
                                    
                                    22.4%
                                 | 
| 3 | 13 or more | 444 | 
                                    
                                    30.4%
                                 | 
| Sysmiss | 81 |