| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1917 |
79.9%
|
| 1 | Only sometimes | 340 |
14.2%
|
| 2 | Often | 99 |
4.1%
|
| 3 | Always | 16 |
0.7%
|
| 9 | Don't know | 28 |
1.2%
|
| 998 | Refused | 0 |
0%
|