| Value | Category | Cases | |
|---|---|---|---|
| 1 | up to 3 months | 102 |
7.2%
|
| 2 | 4 months to 6 months | 141 |
9.9%
|
| 3 | 7 to 11 months | 145 |
10.2%
|
| 4 | 1 to 2 years | 430 |
30.3%
|
| 5 | 3 to 4 years | 292 |
20.5%
|
| 6 | 5 or more years | 311 |
21.9%
|
| Sysmiss | 45768 |