| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 537 |
44.8%
|
| 1 | Occasionally | 503 |
41.9%
|
| 2 | Frequently | 151 |
12.6%
|
| 8 | Refused | 4 |
0.3%
|
| 9 | Don't know | 5 |
0.4%
|