| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 2059 |
86.6%
|
| 1 | Only once | 136 |
5.7%
|
| 2 | A few times | 70 |
2.9%
|
| 3 | Often | 33 |
1.4%
|
| 8 | Refused | 1 |
0%
|
| 9 | Don’t know | 79 |
3.3%
|