| Value | Category | Cases | |
|---|---|---|---|
| 1 | Day | 18 |
0.4%
|
| 2 | Week | 33 |
0.6%
|
| 3 | Month | 133 |
2.6%
|
| 4 | Year | 4935 |
96.4%
|
| Sysmiss | 181 |