| Value | Category | Cases | |
|---|---|---|---|
| 2009 | 4 |
0%
|
|
| 2010 | 939 |
5.1%
|
|
| 2011 | 3292 |
17.8%
|
|
| 2012 | 4022 |
21.7%
|
|
| 2013 | 3786 |
20.4%
|
|
| 2014 | 3794 |
20.5%
|
|
| 2015 | 2536 |
13.7%
|
|
| 2016 | 151 |
0.8%
|
|
| 10001 | .M | 121 | |
| Sysmiss | 87152 |