| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don?t know | 0 | 
                                    
                                    0%
                                 | 
| 0 | 14 | 
                                    
                                    10.9%
                                 | |
| 1 | 90 | 
                                    
                                    70.3%
                                 | |
| 2 | 16 | 
                                    
                                    12.5%
                                 | |
| 3 | 2 | 
                                    
                                    1.6%
                                 | |
| 4 | 3 | 
                                    
                                    2.3%
                                 | |
| 5 | 3 | 
                                    
                                    2.3%
                                 |