| Value | Category | Cases | |
|---|---|---|---|
| 1999 | 1 |
0%
|
|
| 2000 | 23 |
1%
|
|
| 2001 | 80 |
3.6%
|
|
| 2002 | 124 |
5.6%
|
|
| 2003 | 139 |
6.3%
|
|
| 2004 | 135 |
6.1%
|
|
| 2005 | 146 |
6.6%
|
|
| 2006 | 117 |
5.3%
|
|
| 2007 | 92 |
4.2%
|
|
| 2008 | 132 |
6%
|
|
| 2009 | 155 |
7%
|
|
| 2010 | 150 |
6.8%
|
|
| 2011 | 172 |
7.8%
|
|
| 2012 | 180 |
8.1%
|
|
| 2013 | 188 |
8.5%
|
|
| 2014 | 203 |
9.2%
|
|
| 2015 | 171 |
7.7%
|
|
| 2016 | 7 |
0.3%
|
|
| Sysmiss | 10192 |