| Value | Category | Cases | |
|---|---|---|---|
| -998 | Dont know | 0 | 
                                    
                                    0%
                                 | 
| 1 | 2 | 
                                    
                                    1.5%
                                 | |
| 2 | 1 | 
                                    
                                    0.8%
                                 | |
| 3 | 17 | 
                                    
                                    13%
                                 | |
| 4 | 37 | 
                                    
                                    28.2%
                                 | |
| 5 | 39 | 
                                    
                                    29.8%
                                 | |
| 6 | 24 | 
                                    
                                    18.3%
                                 | |
| 7 | 5 | 
                                    
                                    3.8%
                                 | |
| 8 | 2 | 
                                    
                                    1.5%
                                 | |
| 10 | 4 | 
                                    
                                    3.1%
                                 |