| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don?t know | 0 | 
                                    
                                    0%
                                 | 
| 0 | 124 | 
                                    
                                    96.9%
                                 | |
| 1 | 3 | 
                                    
                                    2.3%
                                 | |
| 4 | 1 | 
                                    
                                    0.8%
                                 |