| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 602 |
50.2%
|
| 1 | Once or twice | 53 |
4.4%
|
| 2 | A few times | 23 |
1.9%
|
| 3 | Often | 16 |
1.3%
|
| 7 | Not applicable | 501 |
41.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 5 |
0.4%
|