| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 4526 |
45.6%
|
| 2 | Sometimes | 3552 |
35.8%
|
| 3 | Always | 1853 |
18.7%
|
| 7 | N/A | 281 | |
| 8 | Invalid | 3 | |
| 9 | Missing | 132 |