| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 560 |
23.3%
|
| 1 | Occasionally | 1031 |
43%
|
| 2 | Frequently | 800 |
33.3%
|
| 9 | Don't know | 9 |
0.4%
|
| 998 | Refused | 0 |
0%
|