| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 179 |
0.7%
|
| 2 | Monthly | 554 |
2.2%
|
| 3 | Yearly | 1882 |
7.6%
|
| 4 | Not all | 22011 |
89.4%
|
| Sysmiss | 534 |