| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 837 |
69.9%
|
| 1 | Only once | 114 |
9.5%
|
| 2 | A few times | 157 |
13.1%
|
| 3 | Often | 84 |
7%
|
| 9 | Don't know | 5 |
0.4%
|
| 998 | Refused | 0 |
0%
|