| Value | Category | Cases | |
|---|---|---|---|
| 1 | 4 | 
                                    
                                    0.3%
                                 | |
| 2 | 20 | 
                                    
                                    1.3%
                                 | |
| 3 | 23 | 
                                    
                                    1.5%
                                 | |
| 4 | 18 | 
                                    
                                    1.2%
                                 | |
| 5 | 175 | 
                                    
                                    11.7%
                                 | |
| 6 | 931 | 
                                    
                                    62.5%
                                 | |
| 7 | 319 | 
                                    
                                    21.4%
                                 | |
| 99 | ND | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 10 |