| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 612 |
51%
|
| 1 | Only sometimes | 316 |
26.3%
|
| 2 | Often | 103 |
8.6%
|
| 3 | Always | 90 |
7.5%
|
| 9 | Don't know | 79 |
6.6%
|
| 998 | Refused | 0 |
0%
|