| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 136 |
16.9%
|
| 2 | Monthly | 560 |
69.5%
|
| 3 | Less than once a month | 82 |
10.2%
|
| 4 | Never | 16 |
2%
|
| 5 | Don't know | 6 |
0.7%
|
| 6 | Refused | 6 |
0.7%
|
| Sysmiss | 194 |