| Value | Category | Cases | |
|---|---|---|---|
| 1992 | 1 |
0.1%
|
|
| 2002 | 1 |
0.1%
|
|
| 2006 | 1 |
0.1%
|
|
| 2008 | 2 |
0.1%
|
|
| 2009 | 1 |
0.1%
|
|
| 2010 | 3 |
0.2%
|
|
| 2011 | 33 |
1.7%
|
|
| 2012 | 61 |
3.2%
|
|
| 2013 | 191 |
9.9%
|
|
| 2014 | 706 |
36.7%
|
|
| 2015 | 702 |
36.5%
|
|
| 2016 | 72 |
3.7%
|
|
| 2018 | 140 |
7.3%
|
|
| 2019 | 11 |
0.6%
|
|
| Sysmiss | 18763 |