| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 0 |
0%
|
| 2 | Weekly | 0 |
0%
|
| 3 | Twice a month | 0 |
0%
|
| 4 | Monthly | 15 |
62.5%
|
| 5 | Less often | 9 |
37.5%
|
| 99 | Not specified | 0 |
0%
|
| Sysmiss | 3974 |