| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 7 |
2.2%
|
| 2 | Weekly | 25 |
7.9%
|
| 3 | Monthly | 269 |
85.4%
|
| 4 | Less than once a month | 12 |
3.8%
|
| 7 | Never | 0 |
0%
|
| 8 | Don't know | 2 |
0.6%
|
| 9 | Refused | 0 |
0%
|
| Sysmiss | 685 |