| Value | Category | Cases | |
|---|---|---|---|
| 0 | 10 | 
                                    
                                    2.1%
                                 | |
| 1 | 202 | 
                                    
                                    42.2%
                                 | |
| 2 | 80 | 
                                    
                                    16.7%
                                 | |
| 3 | 40 | 
                                    
                                    8.4%
                                 | |
| 4 | 21 | 
                                    
                                    4.4%
                                 | |
| 5 | 43 | 
                                    
                                    9%
                                 | |
| 6 | 20 | 
                                    
                                    4.2%
                                 | |
| 7 | 22 | 
                                    
                                    4.6%
                                 | |
| 8 | 10 | 
                                    
                                    2.1%
                                 | |
| 10 | 10 | 
                                    
                                    2.1%
                                 | |
| 15 | 11 | 
                                    
                                    2.3%
                                 | |
| 20 | 10 | 
                                    
                                    2.1%
                                 | |
| Sysmiss | 1488 |