| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1011 |
42.1%
|
| 1 | Once or twice | 250 |
10.4%
|
| 2 | A few times | 207 |
8.6%
|
| 3 | Often | 253 |
10.5%
|
| 7 | Not applicable | 674 |
28.1%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 5 |
0.2%
|