| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 644 |
53.7%
|
| 1 | Only sometimes | 233 |
19.4%
|
| 2 | Often | 164 |
13.7%
|
| 3 | Always | 114 |
9.5%
|
| 9 | Don't know | 45 |
3.8%
|
| 998 | Refused | 0 |
0%
|