| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always know | 16512 | 
                                
                                46.9%
                             | 
| 2 | Sometimes know | 11872 | 
                                
                                33.7%
                             | 
| 3 | Never know | 6805 | 
                                
                                19.3%
                             | 
| 5 | Missing | 0 | 
                                
                                0%
                             | 
| 8 | Dont know | 0 | 
                                
                                0%
                             | 
| 9 | Not Applicable | 0 | 
                                
                                0%
                             |