| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 958 |
40.1%
|
| 1 | Occasionally | 1070 |
44.7%
|
| 2 | Frequently | 306 |
12.8%
|
| 8 | Refused | 19 |
0.8%
|
| 9 | Don't know | 39 |
1.6%
|