| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1-2 years | 76 |
34.1%
|
| 2 | 3-4 years | 73 |
32.7%
|
| 3 | 5-10 years | 41 |
18.4%
|
| 4 | 10+ years | 33 |
14.8%
|
| Sysmiss | 2841 |