| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 192 |
16%
|
| 1 | Only sometimes | 213 |
17.8%
|
| 2 | Often | 439 |
36.6%
|
| 3 | Always | 239 |
19.9%
|
| 9 | Don't know | 117 |
9.8%
|
| 998 | Refused | 0 |
0%
|