| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2010 to 2013 | 186 |
4.8%
|
| 2 | 2014 to 2016 | 2089 |
53.4%
|
| 3 | Before 2010 | 1639 |
41.9%
|
| Sysmiss | 68 |