| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, Never | 41155 |
91.6%
|
| 2 | Yes, Once | 3338 |
7.4%
|
| 3 | Yes, Twice or More | 422 |
0.9%
|
| 7 | N/A | 15 | |
| 8 | Invalid | 14 | |
| 9 | Missing | 2500 |