| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 110 |
21.9%
|
| 2 | Monthly | 169 |
33.6%
|
| 3 | Less than once a month | 213 |
42.3%
|
| 4 | Never | 11 |
2.2%
|
| 5 | Don't know | 0 |
0%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 497 |