| Value | Category | Cases | |
|---|---|---|---|
| 1 | 16 | 
                                    
                                    21.9%
                                 | |
| 2 | 8 | 
                                    
                                    11%
                                 | |
| 3 | 2 | 
                                    
                                    2.7%
                                 | |
| 6 | 4 | 
                                    
                                    5.5%
                                 | |
| 7 | 2 | 
                                    
                                    2.7%
                                 | |
| 8 | 2 | 
                                    
                                    2.7%
                                 | |
| 9 | 2 | 
                                    
                                    2.7%
                                 | |
| 10 | 1 | 
                                    
                                    1.4%
                                 | |
| 12 | 1 | 
                                    
                                    1.4%
                                 | |
| 15 | 1 | 
                                    
                                    1.4%
                                 | |
| 99 | Not present in Y3 | 34 | 
                                    
                                    46.6%
                                 | 
| Sysmiss | 920 |