| Value | Category | Cases | |
|---|---|---|---|
| 1 | Week | 783 |
47.9%
|
| 2 | Month | 802 |
49.1%
|
| 3 | Year | 44 |
2.7%
|
| 8 | 1 |
0.1%
|
|
| 9 | 4 |
0.2%
|
|
| Sysmiss | 1 |