| Value | Category | Cases | |
|---|---|---|---|
| 1998 | 1 |
0%
|
|
| 2000 | 1 |
0%
|
|
| 2002 | 1 |
0%
|
|
| 2004 | 1 |
0%
|
|
| 2005 | 3 |
0%
|
|
| 2006 | 5 |
0.1%
|
|
| 2007 | 3 |
0%
|
|
| 2008 | 14 |
0.2%
|
|
| 2009 | 18 |
0.2%
|
|
| 2010 | 98 |
1.2%
|
|
| 2011 | 109 |
1.3%
|
|
| 2012 | 533 |
6.4%
|
|
| 2013 | 1332 |
15.9%
|
|
| 2014 | 1788 |
21.4%
|
|
| 2015 | 1612 |
19.3%
|
|
| 2016 | 1419 |
17%
|
|
| 2017 | 996 |
11.9%
|
|
| 2018 | 425 |
5.1%
|
