| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 355 |
29.6%
|
| 1 | Occasionally | 578 |
48.2%
|
| 2 | Frequently | 260 |
21.7%
|
| 9 | Don't know | 6 |
0.5%
|
| 98 | Refused | 0 |
0%
|