| Value | Category | Cases | |
|---|---|---|---|
| 0 | 74 | 
                                    
                                    29.5%
                                 | |
| 1 | 50 | 
                                    
                                    19.9%
                                 | |
| 2 | 38 | 
                                    
                                    15.1%
                                 | |
| 3 | 32 | 
                                    
                                    12.7%
                                 | |
| 4 | 9 | 
                                    
                                    3.6%
                                 | |
| 5 | 13 | 
                                    
                                    5.2%
                                 | |
| 6 | 5 | 
                                    
                                    2%
                                 | |
| 7 | 6 | 
                                    
                                    2.4%
                                 | |
| 8 | 4 | 
                                    
                                    1.6%
                                 | |
| 9 | 3 | 
                                    
                                    1.2%
                                 | |
| 10 | 9 | 
                                    
                                    3.6%
                                 | |
| 13 | 1 | 
                                    
                                    0.4%
                                 | |
| 15 | 1 | 
                                    
                                    0.4%
                                 | |
| 19 | 1 | 
                                    
                                    0.4%
                                 | |
| 20 | 5 | 
                                    
                                    2%
                                 | |
| Sysmiss | 49 |