| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 98 |
17.9%
|
| 2 | Monthly | 154 |
28.1%
|
| 3 | Less than once a month | 278 |
50.6%
|
| 4 | Never | 11 |
2%
|
| 5 | Don't know | 7 |
1.3%
|
| 6 | Refused | 1 |
0.2%
|
| Sysmiss | 451 |