| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 83 |
12.7%
|
| 2 | Monthly | 462 |
70.8%
|
| 3 | Less than once a month | 75 |
11.5%
|
| 4 | Never | 12 |
1.8%
|
| 5 | Don't know | 16 |
2.5%
|
| 6 | Refused | 5 |
0.8%
|
| Sysmiss | 347 |