| Value | Category | Cases | |
|---|---|---|---|
| 0 | 23 | 
                                    
                                    0.4%
                                 | |
| 1 | 10 | 
                                    
                                    0.2%
                                 | |
| 2 | 52 | 
                                    
                                    0.9%
                                 | |
| 3 | 287 | 
                                    
                                    4.8%
                                 | |
| 4 | 489 | 
                                    
                                    8.1%
                                 | |
| 5 | 714 | 
                                    
                                    11.9%
                                 | |
| 6 | 612 | 
                                    
                                    10.2%
                                 | |
| 7 | 735 | 
                                    
                                    12.2%
                                 | |
| 8 | 1544 | 
                                    
                                    25.7%
                                 | |
| 9 | 751 | 
                                    
                                    12.5%
                                 | |
| 10 | 385 | 
                                    
                                    6.4%
                                 | |
| 11 | 368 | 
                                    
                                    6.1%
                                 | |
| 12 | 17 | 
                                    
                                    0.3%
                                 | |
| 13 | 17 | 
                                    
                                    0.3%
                                 | |
| 14 | 7 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 8 |