| Value | Category | Cases | |
|---|---|---|---|
| 0 | 186 | 
                                    
                                    73.5%
                                 | |
| 1 | 15 | 
                                    
                                    5.9%
                                 | |
| 2 | 18 | 
                                    
                                    7.1%
                                 | |
| 3 | 10 | 
                                    
                                    4%
                                 | |
| 4 | 6 | 
                                    
                                    2.4%
                                 | |
| 5 | 6 | 
                                    
                                    2.4%
                                 | |
| 6 | 1 | 
                                    
                                    0.4%
                                 | |
| 9 | 6 | 
                                    
                                    2.4%
                                 | |
| 12 | 3 | 
                                    
                                    1.2%
                                 | |
| 13 | 1 | 
                                    
                                    0.4%
                                 | |
| 17 | 1 | 
                                    
                                    0.4%
                                 | |
| Sysmiss | 33 |