| Value | Category | Cases | |
|---|---|---|---|
| 1994 | 1 |
0.2%
|
|
| 1995 | 1 |
0.2%
|
|
| 1996 | 125 |
29.9%
|
|
| 1997 | 19 |
4.5%
|
|
| 1998 | 1 |
0.2%
|
|
| 1999 | 2 |
0.5%
|
|
| 2000 | 1 |
0.2%
|
|
| 2001 | 4 |
1%
|
|
| 2002 | 2 |
0.5%
|
|
| 2003 | 2 |
0.5%
|
|
| 2004 | 6 |
1.4%
|
|
| 2005 | 15 |
3.6%
|
|
| 2006 | 2 |
0.5%
|
|
| 2007 | 14 |
3.3%
|
|
| 2008 | 2 |
0.5%
|
|
| 2012 | 63 |
15.1%
|
|
| 2013 | 54 |
12.9%
|
|
| 2014 | 5 |
1.2%
|
|
| 2015 | 71 |
17%
|
|
| 2016 | 17 |
4.1%
|
|
| 2017 | 6 |
1.4%
|
|
| 2018 | 4 |
1%
|
|
| 2020 | 1 |
0.2%
|