| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 2 years | 9708 |
17.8%
|
| 2 | 2 years and more but less than 5 | 15548 |
28.6%
|
| 3 | 5 years and more but less than 10 | 16437 |
30.2%
|
| 4 | 10 years and more | 12755 |
23.4%
|
| Sysmiss | 55 |