| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 138 |
11.5%
|
| 1 | Only sometimes | 149 |
12.4%
|
| 2 | Often | 319 |
26.6%
|
| 3 | Always | 479 |
39.9%
|
| 9 | Don't know | 115 |
9.6%
|
| 998 | Refused | 0 |
0%
|