| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 97 |
0.4%
|
| 2 | Monthly | 141 |
0.6%
|
| 3 | Yearly | 568 |
2.3%
|
| 4 | Not all | 23820 |
96.7%
|
| Sysmiss | 534 |