| Value | Category | Cases | |
|---|---|---|---|
| 1 | until 6 months | 50 |
10%
|
| 2 | 7-12 months | 30 |
6%
|
| 3 | 1-3 years | 118 |
23.6%
|
| 4 | more than 3 years | 301 |
60.3%
|
| Sysmiss | 28009 |