| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, Never | 82137 | 
                                    
                                    95.8%
                                 | 
| 2 | Yes, Once | 3433 | 
                                    
                                    4%
                                 | 
| 3 | Yes, Twice or More | 197 | 
                                    
                                    0.2%
                                 | 
| 7 | N/A | 2947 | |
| 8 | Invalid | 90 | |
| 9 | Missing | 13228 |