| Value | Category | Cases | |
|---|---|---|---|
| 1 | Up to 3 months | 198 |
14.5%
|
| 2 | 3 to 12onths | 439 |
32.3%
|
| 3 | 1 to 2 years | 359 |
26.4%
|
| 4 | 2 to 4 years | 186 |
13.7%
|
| 5 | Over 4 years | 179 |
13.2%
|
| Sysmiss | 12369 |