| Value | Category | Cases | |
|---|---|---|---|
| 2000 | 4 |
0.9%
|
|
| 2001 | 5 |
1.1%
|
|
| 2002 | 10 |
2.2%
|
|
| 2003 | 5 |
1.1%
|
|
| 2004 | 4 |
0.9%
|
|
| 2005 | 2 |
0.4%
|
|
| 2006 | 6 |
1.3%
|
|
| 2007 | 3 |
0.6%
|
|
| 2008 | 5 |
1.1%
|
|
| 2009 | 1 |
0.2%
|
|
| 2010 | 2 |
0.4%
|
|
| 2011 | 9 |
1.9%
|
|
| 2012 | 14 |
3%
|
|
| 2013 | 24 |
5.2%
|
|
| 2014 | 17 |
3.7%
|
|
| 2015 | 34 |
7.3%
|
|
| 2016 | 24 |
5.2%
|
|
| 2017 | 27 |
5.8%
|
|
| 2018 | 31 |
6.7%
|
|
| 2019 | 3 |
0.6%
|
|
| Missing value | 235 |
50.5%
|