| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 168 |
22.7%
|
| 2 | Monthly | 390 |
52.8%
|
| 3 | Less than once a month | 127 |
17.2%
|
| 4 | Never | 36 |
4.9%
|
| 5 | Don't know | 14 |
1.9%
|
| 6 | Refused | 4 |
0.5%
|
| Sysmiss | 261 |