| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 3385 |
34.1%
|
| 2 | Sometimes | 4189 |
42.2%
|
| 3 | Always | 2345 |
23.6%
|
| 7 | N/A | 281 | |
| 8 | Invalid | 2 | |
| 9 | Missing | 145 |