| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 9 |
2.3%
|
| 2 | Weekly | 20 |
5.2%
|
| 3 | Monthly | 333 |
86.5%
|
| 4 | Less than once a month | 19 |
4.9%
|
| 7 | Never | 1 |
0.3%
|
| 8 | Don't know | 2 |
0.5%
|
| 9 | Refused | 1 |
0.3%
|
| Sysmiss | 618 |