| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 127 |
0.5%
|
| 2 | Monthly | 415 |
1.7%
|
| 3 | Yearly | 2243 |
9.1%
|
| 4 | Not all | 21841 |
88.7%
|
| Sysmiss | 534 |