| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 27 |
22.3%
|
| 2 | Monthly | 24 |
19.8%
|
| 3 | Less than once a month | 59 |
48.8%
|
| 4 | Never | 8 |
6.6%
|
| 5 | Don't know | 3 |
2.5%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 879 |