| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1800 |
66.9%
|
| 1 | Rarely | 483 |
17.9%
|
| 2 | Sometimes | 290 |
10.8%
|
| 3 | Often | 119 |
4.4%
|
| Sysmiss | 2169 |