| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 0 | Never | 1380 |
57.6%
|
| 1 | Only once | 303 |
12.6%
|
| 2 | A few times | 438 |
18.3%
|
| 3 | Often | 259 |
10.8%
|
| 9 | Don’t know | 16 |
0.7%
|
| 98 | Refused | 0 |
0%
|