| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 153 |
12.8%
|
| 1 | Only sometimes | 222 |
18.5%
|
| 2 | Often | 410 |
34.2%
|
| 3 | Always | 386 |
32.2%
|
| 9 | Don't know | 28 |
2.3%
|
| 998 | Refused | 0 |
0%
|