| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 4 |
0.3%
|
| 0 | Never | 346 |
27.1%
|
| 1 | Occasionally | 615 |
48.1%
|
| 2 | Frequently | 306 |
23.9%
|
| 9 | Don't know | 7 |
0.5%
|
| 998 | Refused | 0 |
0%
|