| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. 1 - 5 | 233 | 
                                    
                                    17.9%
                                 | 
| 2 | 2. 6 - 10 | 167 | 
                                    
                                    12.8%
                                 | 
| 3 | 3. 11 - 20 | 166 | 
                                    
                                    12.8%
                                 | 
| 4 | 4. 20+ | 734 | 
                                    
                                    56.5%
                                 | 
| Sysmiss | 24876 |