| Value | Category | Cases | |
|---|---|---|---|
| 1980 | 1 |
0%
|
|
| 1996 | 1 |
0%
|
|
| 1999 | 1 |
0%
|
|
| 2000 | 2 |
0.1%
|
|
| 2001 | 1 |
0%
|
|
| 2003 | 2 |
0.1%
|
|
| 2004 | 1 |
0%
|
|
| 2005 | 1 |
0%
|
|
| 2006 | 3 |
0.1%
|
|
| 2007 | 4 |
0.1%
|
|
| 2008 | 4 |
0.1%
|
|
| 2009 | 2 |
0.1%
|
|
| 2010 | 15 |
0.4%
|
|
| 2011 | 22 |
0.6%
|
|
| 2012 | 68 |
2%
|
|
| 2013 | 861 |
24.7%
|
|
| 2014 | 980 |
28.2%
|
|
| 2015 | 616 |
17.7%
|
|
| 2016 | 439 |
12.6%
|
|
| 2017 | 282 |
8.1%
|
|
| 2018 | 167 |
4.8%
|
|
| 9999 | 8 |
0.2%
|
|
| Sysmiss | 115907 |