| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 3 |
2.4%
|
| 2 | Weekly | 8 |
6.5%
|
| 3 | Twice a month | 6 |
4.8%
|
| 4 | Monthly | 65 |
52.4%
|
| 5 | Less often | 42 |
33.9%
|
| 99 | Not specified | 0 |
0%
|
| Sysmiss | 3874 |