| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 0 | Never | 254 |
21.2%
|
| 1 | Occasionally | 582 |
48.5%
|
| 2 | Frequently | 357 |
29.8%
|
| 9 | Don't know | 4 |
0.3%
|
| 998 | Refused | 0 |
0%
|