| Value | Category | Cases | |
|---|---|---|---|
| 0 | 195 | 
                                    
                                    23.1%
                                 | |
| 1 | 102 | 
                                    
                                    12.1%
                                 | |
| 2 | 85 | 
                                    
                                    10.1%
                                 | |
| 3 | 57 | 
                                    
                                    6.7%
                                 | |
| 4 | 28 | 
                                    
                                    3.3%
                                 | |
| 5 | 25 | 
                                    
                                    3%
                                 | |
| 6 | 12 | 
                                    
                                    1.4%
                                 | |
| 7 | 17 | 
                                    
                                    2%
                                 | |
| 8 | 7 | 
                                    
                                    0.8%
                                 | |
| 9 | 3 | 
                                    
                                    0.4%
                                 | |
| 10 | 11 | 
                                    
                                    1.3%
                                 | |
| 12 | 9 | 
                                    
                                    1.1%
                                 | |
| 13 | 1 | 
                                    
                                    0.1%
                                 | |
| 14 | 1 | 
                                    
                                    0.1%
                                 | |
| 15 | 6 | 
                                    
                                    0.7%
                                 | |
| 16 | 1 | 
                                    
                                    0.1%
                                 | |
| 18 | 1 | 
                                    
                                    0.1%
                                 | |
| 20 | 7 | 
                                    
                                    0.8%
                                 | |
| 24 | 1 | 
                                    
                                    0.1%
                                 | |
| 25 | 2 | 
                                    
                                    0.2%
                                 | |
| 26 | 1 | 
                                    
                                    0.1%
                                 | |
| 30 | 17 | 
                                    
                                    2%
                                 | |
| 77 | Don't know | 256 | 
                                    
                                    30.3%
                                 | 
| Sysmiss | 3457 |