| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, Never | 91261 | 
                                    
                                    94.1%
                                 | 
| 2 | Yes, Once | 5014 | 
                                    
                                    5.2%
                                 | 
| 3 | Yes, Twice or More | 733 | 
                                    
                                    0.8%
                                 | 
| 7 | N/A | 45 | |
| 8 | Invalid | 45 | |
| 9 | Missing | 4934 |