| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 898 |
74.8%
|
| 1 | Only once | 124 |
10.3%
|
| 2 | A few times | 102 |
8.5%
|
| 3 | Often | 67 |
5.6%
|
| 9 | Don’t know | 9 |
0.8%
|
| 98 | Refused | 0 |
0%
|