| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 1159 |
5.5%
|
| 2 | Often | 2899 |
13.7%
|
| 3 | Sometimes | 8073 |
38.2%
|
| 4 | Never | 8974 |
42.5%
|
| 9 | Unspecified | 16 |
0.1%
|