| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always know | 21314 | 
                                
                                60.6%
                             | 
| 2 | Sometimes know | 10859 | 
                                
                                30.9%
                             | 
| 3 | Never know | 3016 | 
                                
                                8.6%
                             | 
| 5 | Missing | 0 | 
                                
                                0%
                             | 
| 8 | Dont know | 0 | 
                                
                                0%
                             | 
| 9 | Not Applicable | 0 | 
                                
                                0%
                             |