| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 69 |
5.1%
|
| 1 | Only sometimes | 113 |
8.4%
|
| 2 | Often | 126 |
9.3%
|
| 3 | Always | 191 |
14.1%
|
| 9 | Don't know | 851 |
63%
|
| 998 | Refused | 0 |
0%
|