| Value | Category | Cases | |
|---|---|---|---|
| 1 | less_than_a_year | 575 |
6.3%
|
| 2 | more_than_two_years | 7763 |
85.6%
|
| 3 | one_to_two_years | 734 |
8.1%
|
| Sysmiss | 408 |