| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don?t know | 0 | 
                                    
                                    0%
                                 | 
| 0 | 116 | 
                                    
                                    90.6%
                                 | |
| 1 | 10 | 
                                    
                                    7.8%
                                 | |
| 2 | 2 | 
                                    
                                    1.6%
                                 |