| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 | 
                                    
                                    0.6%
                                 | |
| 2 | 23 | 
                                    
                                    2.1%
                                 | |
| 3 | 251 | 
                                    
                                    23.2%
                                 | |
| 4 | 193 | 
                                    
                                    17.8%
                                 | |
| 5 | 176 | 
                                    
                                    16.2%
                                 | |
| 6 | 155 | 
                                    
                                    14.3%
                                 | |
| 7 | 122 | 
                                    
                                    11.3%
                                 | |
| 8 | 75 | 
                                    
                                    6.9%
                                 | |
| 9 | 32 | 
                                    
                                    3%
                                 | |
| 10 | 18 | 
                                    
                                    1.7%
                                 | |
| 11 | 10 | 
                                    
                                    0.9%
                                 | |
| 12 | 5 | 
                                    
                                    0.5%
                                 | |
| 13 | 7 | 
                                    
                                    0.6%
                                 | |
| 14 | 4 | 
                                    
                                    0.4%
                                 | |
| 15 | 3 | 
                                    
                                    0.3%
                                 | |
| 16 | 1 | 
                                    
                                    0.1%
                                 | |
| 17 | 1 | 
                                    
                                    0.1%
                                 | |
| 20 | 1 | 
                                    
                                    0.1%
                                 | |
| 21 | 1 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 449 |