| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 5 |
0.2%
|
| 0 | Never | 817 |
33.9%
|
| 1 | Occasionally | 896 |
37.2%
|
| 2 | Frequently | 684 |
28.4%
|
| 9 | Don't know | 5 |
0.2%
|
| 998 | Refused | 0 |
0%
|