| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 37 |
3.1%
|
| 1 | Once or twice | 27 |
2.3%
|
| 2 | A few times | 93 |
7.8%
|
| 3 | Often | 407 |
33.9%
|
| 7 | Not applicable | 636 |
53%
|
| 8 | Refuse to answer | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|