| Value | Category | Cases | |
|---|---|---|---|
| 1 | Up to 1 month | 72 |
3.3%
|
| 2 | 1 to 3 month | 221 |
10.2%
|
| 3 | 4 to 6 month | 335 |
15.5%
|
| 4 | 7 to 12 month | 359 |
16.6%
|
| 5 | 1 to 2 years | 435 |
20.2%
|
| 6 | 2 to 4 years | 310 |
14.4%
|
| 7 | Over 4 years | 426 |
19.7%
|
| Sysmiss | 19499 |