| 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 |