| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 3 |
0.5%
|
| 2 | Weekly | 39 |
6%
|
| 3 | Monthly | 220 |
33.7%
|
| 9 | Other | 390 |
59.8%
|
| Sysmiss | 360 |