| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 | 
                                    
                                    0.2%
                                 | |
| 1 | 66 | 
                                    
                                    0.9%
                                 | |
| 2 | 101 | 
                                    
                                    1.4%
                                 | |
| 3 | 240 | 
                                    
                                    3.2%
                                 | |
| 4 | 373 | 
                                    
                                    5%
                                 | |
| 5 | 230 | 
                                    
                                    3.1%
                                 | |
| 6 | 459 | 
                                    
                                    6.2%
                                 | |
| 7 | 225 | 
                                    
                                    3%
                                 | |
| 8 | 529 | 
                                    
                                    7.1%
                                 | |
| 9 | 321 | 
                                    
                                    4.3%
                                 | |
| 10 | 618 | 
                                    
                                    8.3%
                                 | |
| 11 | 207 | 
                                    
                                    2.8%
                                 | |
| 12 | 4075 | 
                                    
                                    54.6%
                                 | |
| Sysmiss | 6136 |