| Value | Category | Cases | |
|---|---|---|---|
| 1 | less than 3 months | 1356 |
10.4%
|
| 2 | 3 months or more but less than 6 months | 3696 |
28.4%
|
| 3 | 6 months or more but less than 12 months | 3274 |
25.1%
|
| 4 | 12 months or more but less than 18 months | 2276 |
17.5%
|
| 5 | 18 months or more but less than 24 months | 735 |
5.6%
|
| 6 | 24 months or more- | 1694 |
13%
|
| Sysmiss | 405128 |