| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 96 |
17.3%
|
| 2 | Monthly | 202 |
36.5%
|
| 3 | Less than once a month | 243 |
43.9%
|
| 4 | Never | 9 |
1.6%
|
| 5 | Don't know | 4 |
0.7%
|
| 6 | Refused | 0 |
0%
|
| Sysmiss | 448 |