| Value | Category | Cases | |
|---|---|---|---|
| 1 | less than 3 months | 1235 |
9.4%
|
| 2 | 3 months or more but less than 6 months | 3699 |
28.3%
|
| 3 | 6 months or more but less than 12 months | 3357 |
25.7%
|
| 4 | 12 months or more but less than 18 months | 2241 |
17.1%
|
| 5 | 18 months or more but less than 24 months | 782 |
6%
|
| 6 | 24 months or more- | 1758 |
13.4%
|
| Sysmiss | 403260 |