| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.1%
|
| 0 | Never | 741 |
30.9%
|
| 1 | Occasionally | 1088 |
45.4%
|
| 2 | Frequently | 553 |
23.1%
|
| 9 | Don't know | 14 |
0.6%
|
| 998 | Refused | 0 |
0%
|