| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 81 |
0.3%
|
| 2 | Monthly | 167 |
0.7%
|
| 3 | Yearly | 629 |
2.6%
|
| 4 | Not all | 23220 |
96.4%
|
| Sysmiss | 392 |