| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 6 months | 792 |
13.9%
|
| 2 | Less than 1 year | 1046 |
18.4%
|
| 3 | Less than 2 years | 981 |
17.2%
|
| 4 | 2 to 3 years | 1027 |
18%
|
| 5 | more than 3 years | 1846 |
32.4%
|
| Sysmiss | 749 |