| Value | Category | Cases | |
|---|---|---|---|
| 0 | 259 | 
                                
                                78.2%
                             | |
| 1 | 12 | 
                                
                                3.6%
                             | |
| 2 | 3 | 
                                
                                0.9%
                             | |
| 3 | 2 | 
                                
                                0.6%
                             | |
| 4 | 3 | 
                                
                                0.9%
                             | |
| 5 | 2 | 
                                
                                0.6%
                             | |
| 8 | 3 | 
                                
                                0.9%
                             | |
| 15 | 2 | 
                                
                                0.6%
                             | |
| 30 | 3 | 
                                
                                0.9%
                             | |
| 95 | Missing | 0 | 
                                
                                0%
                             | 
| 96 | Other | 0 | 
                                
                                0%
                             | 
| 97 | Refusal | 0 | 
                                
                                0%
                             | 
| 98 | Dont know | 0 | 
                                
                                0%
                             | 
| 99 | NA | 42 | 
                                
                                12.7%
                             |