| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 year | 422 |
9.9%
|
| 2 | 1 to 2 years | 573 |
13.4%
|
| 3 | 3 to 4 years | 638 |
14.9%
|
| 4 | 5 to 9 years | 752 |
17.6%
|
| 5 | 10 years or more | 1899 |
44.3%
|
| Sysmiss | 40758 |