| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 0 | Never | 222 |
20.1%
|
| 1 | Occasionally | 560 |
50.7%
|
| 2 | Frequently | 314 |
28.4%
|
| 9 | Don't know | 5 |
0.5%
|
| 998 | Refused | 0 |
0%
|