| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 0 | Never | 1353 |
56.4%
|
| 1 | Only sometimes | 770 |
32.1%
|
| 2 | Often | 193 |
8%
|
| 3 | Always | 54 |
2.3%
|
| 9 | Don't know | 28 |
1.2%
|
| 998 | Refused | 0 |
0%
|