| Value | Category | Cases | |
|---|---|---|---|
| 0 | 23 | 
                                    
                                    8.4%
                                 | |
| 1 | 56 | 
                                    
                                    20.5%
                                 | |
| 2 | 58 | 
                                    
                                    21.2%
                                 | |
| 3 | 67 | 
                                    
                                    24.5%
                                 | |
| 4 | 29 | 
                                    
                                    10.6%
                                 | |
| 5 | 9 | 
                                    
                                    3.3%
                                 | |
| 6 | 10 | 
                                    
                                    3.7%
                                 | |
| 7 | 7 | 
                                    
                                    2.6%
                                 | |
| 8 | 2 | 
                                    
                                    0.7%
                                 | |
| 9 | 7 | 
                                    
                                    2.6%
                                 | |
| 12 | 1 | 
                                    
                                    0.4%
                                 | |
| 13 | 1 | 
                                    
                                    0.4%
                                 | |
| 15 | 1 | 
                                    
                                    0.4%
                                 | |
| 16 | 1 | 
                                    
                                    0.4%
                                 | |
| 17 | 1 | 
                                    
                                    0.4%
                                 | |
| Sysmiss | 2 |