| Value | Category | Cases | |
|---|---|---|---|
| 1 | up to 3 months | 60 |
5.1%
|
| 2 | 4 months to 6 months | 108 |
9.1%
|
| 3 | 7 to 11 months | 145 |
12.2%
|
| 4 | 1 to 2 years | 397 |
33.4%
|
| 5 | 3 to 4 years | 218 |
18.4%
|
| 6 | 5 or more years | 260 |
21.9%
|
| Sysmiss | 42492 |