| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 3862 |
38.9%
|
| 2 | Sometimes | 2224 |
22.4%
|
| 3 | Always | 3854 |
38.8%
|
| 7 | N/A | 281 | |
| 8 | Invalid | 3 | |
| 9 | Missing | 123 |