| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 6 |
0.3%
|
| 0 | Never | 608 |
25.3%
|
| 1 | Occasionally | 1158 |
48.3%
|
| 2 | Frequently | 522 |
21.8%
|
| 9 | Don't know | 106 |
4.4%
|
| 998 | Refused | 0 |
0%
|