| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 6 months | 35 |
9.1%
|
| 2 | 1 to 6 months | 19 |
4.9%
|
| 3 | 7 to less than 12 months | 40 |
10.4%
|
| 4 | 1 to 5 years | 172 |
44.7%
|
| 5 | More than 5 years | 119 |
30.9%
|
| Sysmiss | 3516 |