| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 71 |
10.7%
|
| 2 | Weekly | 152 |
22.9%
|
| 3 | Monthly | 349 |
52.6%
|
| 4 | Annually | 91 |
13.7%
|
| Sysmiss | 8517 |