| Value | Category | Cases | |
|---|---|---|---|
| 2002 | 5 |
0.8%
|
|
| 2003 | 107 |
18%
|
|
| 2004 | 136 |
22.9%
|
|
| 2005 | 43 |
7.2%
|
|
| 2006 | 23 |
3.9%
|
|
| 2007 | 5 |
0.8%
|
|
| 2008 | 59 |
9.9%
|
|
| 2009 | 30 |
5%
|
|
| 2010 | 16 |
2.7%
|
|
| 2011 | 22 |
3.7%
|
|
| 2012 | 12 |
2%
|
|
| 2013 | 46 |
7.7%
|
|
| 2014 | 55 |
9.2%
|
|
| 2015 | 4 |
0.7%
|
|
| 2016 | 1 |
0.2%
|
|
| 2017 | 2 |
0.3%
|
|
| 2018 | 4 |
0.7%
|
|
| Missing value | 25 |
4.2%
|