| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 year | 1144 |
6.5%
|
| 2 | 1 to 2 years | 2060 |
11.6%
|
| 3 | 3 to 4 years | 2438 |
13.8%
|
| 4 | 5 to 9 years | 3446 |
19.5%
|
| 5 | 10 years or more | 8606 |
48.6%
|
| Sysmiss | 26720 |