| Value | Category | Cases | |
|---|---|---|---|
| 1 | More than 5 years | 2428 |
52.8%
|
| 2 | 1-5 years | 1561 |
33.9%
|
| 3 | 3 monyhs - 1 year | 498 |
10.8%
|
| 4 | Less than 3 months | 115 |
2.5%
|
| Sysmiss | 44305 |