| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 947 |
78.9%
|
| 1 | Only once | 74 |
6.2%
|
| 2 | A few times | 107 |
8.9%
|
| 3 | Often | 72 |
6%
|
| 9 | Don't know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|