| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 0 | Never | 617 |
25.7%
|
| 1 | Occasionally | 1345 |
56%
|
| 2 | Frequently | 418 |
17.4%
|
| 9 | Don't know | 19 |
0.8%
|