| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 201 |
0.8%
|
| 2 | Monthly | 402 |
1.7%
|
| 3 | Yearly | 1252 |
5.3%
|
| 4 | Not all | 21899 |
92.2%
|
| Sysmiss | 1058 |