| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always know | 23697 | 
                                
                                67.3%
                             | 
| 2 | Sometimes know | 9039 | 
                                
                                25.7%
                             | 
| 3 | Never know | 2453 | 
                                
                                7%
                             | 
| 5 | Missing | 0 | 
                                
                                0%
                             | 
| 8 | Dont know | 0 | 
                                
                                0%
                             | 
| 9 | Not Applicable | 0 | 
                                
                                0%
                             |