| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 145 |
26.1%
|
| 2 | Monthly | 110 |
19.8%
|
| 3 | Less than once a month | 272 |
49%
|
| 4 | Never | 21 |
3.8%
|
| 5 | Don't know | 6 |
1.1%
|
| 6 | Refused | 1 |
0.2%
|
| Sysmiss | 445 |