| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 507 |
42.3%
|
| 1 | Only sometimes | 501 |
41.8%
|
| 2 | Often | 151 |
12.6%
|
| 3 | Always | 16 |
1.3%
|
| 9 | Don't know | 25 |
2.1%
|
| 998 | Refused | 0 |
0%
|