| Value | Category | Cases | |
|---|---|---|---|
| 1 | Day | 7522 |
77%
|
| 2 | Week | 322 |
3.3%
|
| 3 | Month | 970 |
9.9%
|
| 4 | Less than one year | 361 |
3.7%
|
| 5 | One year or more | 589 |
6%
|
| Sysmiss | 66906 |