| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 | 
                                    
                                    0%
                                 | |
| 4 | 2 | 
                                    
                                    0%
                                 | |
| 6 | 1 | 
                                    
                                    0%
                                 | |
| 8 | 2 | 
                                    
                                    0%
                                 | |
| 11 | 2 | 
                                    
                                    0%
                                 | |
| 12 | 1 | 
                                    
                                    0%
                                 | |
| 88 | Not applicable | 20744 | 
                                    
                                    98.9%
                                 | 
| 99 | Unspecified | 231 | 
                                    
                                    1.1%
                                 |