| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 26 |
6.2%
|
| 2 | Weekly | 58 |
13.7%
|
| 3 | 2 weeks | 24 |
5.7%
|
| 4 | Monthly | 276 |
65.4%
|
| 5 | Quarterly | 15 |
3.6%
|
| 6 | Yearly | 23 |
5.5%
|
| Sysmiss | 1221 |