| Value | Category | Cases | |
|---|---|---|---|
| 1993 | 1 |
0.1%
|
|
| 1994 | 1 |
0.1%
|
|
| 1996 | 3 |
0.3%
|
|
| 1997 | 3 |
0.3%
|
|
| 1998 | 7 |
0.7%
|
|
| 1999 | 9 |
0.9%
|
|
| 2000 | 8 |
0.8%
|
|
| 2001 | 9 |
0.9%
|
|
| 2002 | 16 |
1.6%
|
|
| 2003 | 21 |
2.1%
|
|
| 2004 | 28 |
2.8%
|
|
| 2005 | 48 |
4.8%
|
|
| 2006 | 37 |
3.7%
|
|
| 2007 | 51 |
5.1%
|
|
| 2008 | 42 |
4.2%
|
|
| 2009 | 69 |
6.9%
|
|
| 2010 | 62 |
6.2%
|
|
| 2011 | 49 |
4.9%
|
|
| 2012 | 47 |
4.7%
|
|
| 2013 | 33 |
3.3%
|
|
| 2014 | 40 |
4%
|
|
| 2015 | 101 |
10.1%
|
|
| 2016 | 98 |
9.8%
|
|
| 2017 | 88 |
8.8%
|
|
| 2018 | 56 |
5.6%
|
|
| 2019 | 27 |
2.7%
|
|
| 2020 | 21 |
2.1%
|
|
| 2021 | 7 |
0.7%
|
|
| 9999 | Unspecified | 18 |
1.8%
|