| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 306 |
25.5%
|
| 1 | Once or twice | 117 |
9.8%
|
| 2 | A few times | 89 |
7.4%
|
| 3 | Often | 151 |
12.6%
|
| 7 | Not applicable | 532 |
44.3%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don't Know | 4 |
0.3%
|