| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 month | 91 |
2.1%
|
| 2 | 1 to 3 months, | 214 |
5%
|
| 3 | 4 to 6 months | 253 |
5.9%
|
| 4 | 7 to 11months, | 294 |
6.9%
|
| 5 | 1 to 2 years | 1114 |
26%
|
| 6 | 3 or more years | 2318 |
54.1%
|
| Sysmiss | 40758 |