| Value | Category | Cases | |
|---|---|---|---|
| 0 | 20 | 
                                    
                                    2.6%
                                 | |
| 1 | 234 | 
                                    
                                    30.1%
                                 | |
| 2 | 273 | 
                                    
                                    35.1%
                                 | |
| 3 | 119 | 
                                    
                                    15.3%
                                 | |
| 4 | 49 | 
                                    
                                    6.3%
                                 | |
| 5 | 25 | 
                                    
                                    3.2%
                                 | |
| 6 | 17 | 
                                    
                                    2.2%
                                 | |
| 7 | 8 | 
                                    
                                    1%
                                 | |
| 8 | 9 | 
                                    
                                    1.2%
                                 | |
| 9 | 5 | 
                                    
                                    0.6%
                                 | |
| 10 | 7 | 
                                    
                                    0.9%
                                 | |
| 11 | 2 | 
                                    
                                    0.3%
                                 | |
| 13 | 2 | 
                                    
                                    0.3%
                                 | |
| 14 | 5 | 
                                    
                                    0.6%
                                 | |
| 15 | 1 | 
                                    
                                    0.1%
                                 | |
| 16 | 1 | 
                                    
                                    0.1%
                                 | |
| 17 | 1 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 394 |