| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 207 |
29.2%
|
| 2 | Monthly | 224 |
31.5%
|
| 3 | Less than once a month | 264 |
37.2%
|
| 4 | Never | 12 |
1.7%
|
| 5 | Don't know | 3 |
0.4%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 290 |