| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 11 |
5%
|
| 2 | Weekly | 12 |
5.5%
|
| 3 | Twice a month | 6 |
2.8%
|
| 4 | Monthly | 167 |
76.6%
|
| 5 | Less often | 22 |
10.1%
|
| 99 | Not specified | 0 |
0%
|
| Sysmiss | 3780 |