| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 | 
                                    
                                    1%
                                 | |
| 1 | 5 | 
                                    
                                    1.3%
                                 | |
| 2 | 22 | 
                                    
                                    5.5%
                                 | |
| 3 | 52 | 
                                    
                                    13.1%
                                 | |
| 4 | 176 | 
                                    
                                    44.2%
                                 | |
| 5 | 26 | 
                                    
                                    6.5%
                                 | |
| 6 | 39 | 
                                    
                                    9.8%
                                 | |
| 7 | 14 | 
                                    
                                    3.5%
                                 | |
| 8 | 25 | 
                                    
                                    6.3%
                                 | |
| 9 | 8 | 
                                    
                                    2%
                                 | |
| 10 | 6 | 
                                    
                                    1.5%
                                 | |
| 11 | 3 | 
                                    
                                    0.8%
                                 | |
| 12 | 6 | 
                                    
                                    1.5%
                                 | |
| 13 | 4 | 
                                    
                                    1%
                                 | |
| 14 | 1 | 
                                    
                                    0.3%
                                 | |
| 15 | 3 | 
                                    
                                    0.8%
                                 | |
| 16 | 1 | 
                                    
                                    0.3%
                                 | |
| 17 | 1 | 
                                    
                                    0.3%
                                 | |
| 18 | 1 | 
                                    
                                    0.3%
                                 | |
| 20 | 1 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 2 |