| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 78 |
13.4%
|
| 2 | Monthly | 146 |
25%
|
| 3 | Less than once a month | 327 |
56.1%
|
| 4 | Never | 31 |
5.3%
|
| 5 | Don't know | 1 |
0.2%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 417 |