| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than a year | 379 |
25.8%
|
| 2 | 1 year to less than 3 years | 750 |
51.1%
|
| 3 | 3 years or more | 340 |
23.1%
|
| Sysmiss | 52471 |