| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 260 |
33.2%
|
| 2 | Monthly | 406 |
51.8%
|
| 3 | Less than once a month | 90 |
11.5%
|
| 4 | Never | 17 |
2.2%
|
| 5 | Don't know | 2 |
0.3%
|
| 6 | Refused | 9 |
1.1%
|
| Sysmiss | 216 |