| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 784 |
65.3%
|
| 1 | A few times | 111 |
9.3%
|
| 2 | Often | 42 |
3.5%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don’t know | 262 |
21.8%
|