| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. more than 5 years ago | 2148 |
49.3%
|
| 2 | 2. 1 to 5 years ago | 1172 |
26.9%
|
| 3 | 3. start 2015 | 851 |
19.5%
|
| 4 | 4. after april 2015 | 131 |
3%
|
| 99 | 99. missing | 59 |
1.4%
|
| Sysmiss | 177 |