| Value | Category | Cases | |
|---|---|---|---|
| 0 | 73 |
12.9%
|
|
| 1 | 1-5 years | 309 |
54.7%
|
| 2 | 6-10 years | 118 |
20.9%
|
| 3 | More than 10 years | 65 |
11.5%
|
| Sysmiss | 2880 |