| Value | Category | Cases | |
|---|---|---|---|
| 1976 | 1 |
0.1%
|
|
| 1993 | 1 |
0.1%
|
|
| 1997 | 1 |
0.1%
|
|
| 1998 | 2 |
0.3%
|
|
| 1999 | 2 |
0.3%
|
|
| 2000 | 3 |
0.4%
|
|
| 2001 | 11 |
1.4%
|
|
| 2002 | 1 |
0.1%
|
|
| 2003 | 1 |
0.1%
|
|
| 2004 | 7 |
0.9%
|
|
| 2005 | 7 |
0.9%
|
|
| 2006 | 4 |
0.5%
|
|
| 2007 | 1 |
0.1%
|
|
| 2008 | 8 |
1%
|
|
| 2009 | 13 |
1.7%
|
|
| 2010 | 5 |
0.7%
|
|
| 2011 | 2 |
0.3%
|
|
| 2013 | 2 |
0.3%
|
|
| 2014 | 9 |
1.2%
|
|
| 2015 | 65 |
8.5%
|
|
| 2016 | 23 |
3%
|
|
| 2017 | 16 |
2.1%
|
|
| 2018 | 66 |
8.6%
|
|
| 2019 | 63 |
8.2%
|
|
| 2020 | 50 |
6.5%
|
|
| 2021 | 26 |
3.4%
|
|
| Missing value | 374 |
49%
|