| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 12 months | 830 |
58%
|
| 2 | 12-23 months | 267 |
18.7%
|
| 3 | 2 years or more | 334 |
23.3%
|
| 9 | 6 | ||
| Sysmiss | 2028 |