| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 227 |
9.5%
|
| 1 | Once or twice | 112 |
4.7%
|
| 2 | A few times | 57 |
2.4%
|
| 3 | Often | 62 |
2.6%
|
| 7 | Not applicable | 1941 |
80.9%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 1 |
0%
|