| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 59 |
26.8%
|
| 2 | Monthly | 109 |
49.5%
|
| 3 | Less than once a month | 49 |
22.3%
|
| 4 | Never | 1 |
0.5%
|
| 5 | Don't know | 1 |
0.5%
|
| 6 | Refused | 1 |
0.5%
|
| Sysmiss | 780 |