| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 year | 917 |
5.1%
|
| 2 | 1 to 2 years | 2368 |
13%
|
| 3 | 3 to 4 years | 2788 |
15.4%
|
| 4 | 5 to 9 years | 3568 |
19.7%
|
| 5 | 10 years or more | 8509 |
46.9%
|
| Sysmiss | 12457 |