| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.1%
|
| 0 | Never | 1534 |
63.7%
|
| 1 | Only sometimes | 559 |
23.2%
|
| 2 | Often | 178 |
7.4%
|
| 3 | Always | 95 |
3.9%
|
| 9 | Don't know | 39 |
1.6%
|
| 998 | Refused | 0 |
0%
|