| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 | 
                                    
                                    5%
                                 | |
| 3 | 13 | 
                                    
                                    21.7%
                                 | |
| 4 | 4 | 
                                    
                                    6.7%
                                 | |
| 5 | 7 | 
                                    
                                    11.7%
                                 | |
| 6 | 4 | 
                                    
                                    6.7%
                                 | |
| 8 | 2 | 
                                    
                                    3.3%
                                 | |
| 13 | 4 | 
                                    
                                    6.7%
                                 | |
| 18 | 4 | 
                                    
                                    6.7%
                                 | |
| 19 | 4 | 
                                    
                                    6.7%
                                 | |
| 22 | 3 | 
                                    
                                    5%
                                 | |
| 23 | 2 | 
                                    
                                    3.3%
                                 | |
| 28 | 2 | 
                                    
                                    3.3%
                                 | |
| 40 | 3 | 
                                    
                                    5%
                                 | |
| 70 | 1 | 
                                    
                                    1.7%
                                 | |
| 87 | 4 | 
                                    
                                    6.7%
                                 | |
| 97 | 97+ | 0 | 
                                    
                                    0%
                                 | 
| 98 | dk | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 15291 |