| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 3589 |
44.4%
|
| 2 | Sometimes | 3704 |
45.9%
|
| 3 | Always | 783 |
9.7%
|
| 7 | N/A | 281 | |
| 8 | Invalid | 4 | |
| 9 | Missing | 1986 |