| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. 1 - 5 | 33 | 
                                    
                                    82.5%
                                 | 
| 2 | 2. 6 - 10 | 4 | 
                                    
                                    10%
                                 | 
| 3 | 3. 11 - 20 | 1 | 
                                    
                                    2.5%
                                 | 
| 4 | 4. 20+ | 2 | 
                                    
                                    5%
                                 | 
| Sysmiss | 26695 |