| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1570 |
65.4%
|
| 1 | Only once | 263 |
11%
|
| 2 | A few times | 419 |
17.5%
|
| 3 | Often | 147 |
6.1%
|
| 9 | Don't know | 1 |
0%
|
| 98 | Refused | 0 |
0%
|