| Value | Category | Cases | |
|---|---|---|---|
| 2001 | 1 |
0.1%
|
|
| 2002 | 1 |
0.1%
|
|
| 2003 | 249 |
12.5%
|
|
| 2004 | 823 |
41.2%
|
|
| 2005 | 117 |
5.9%
|
|
| 2006 | 33 |
1.7%
|
|
| 2007 | 13 |
0.7%
|
|
| 2008 | 10 |
0.5%
|
|
| 2009 | 6 |
0.3%
|
|
| 2010 | 5 |
0.3%
|
|
| 2011 | 6 |
0.3%
|
|
| 2012 | 1 |
0.1%
|
|
| 2013 | 22 |
1.1%
|
|
| 2014 | 27 |
1.4%
|
|
| 2015 | 14 |
0.7%
|
|
| 2016 | 11 |
0.6%
|
|
| 2017 | 2 |
0.1%
|
|
| 2018 | 3 |
0.2%
|
|
| 2019 | 18 |
0.9%
|
|
| 2020 | 130 |
6.5%
|
|
| 2021 | 312 |
15.6%
|
|
| Missing value | 195 |
9.8%
|