Value | Category | Cases | |
---|---|---|---|
1960 | 1 |
0.3%
|
|
1980 | 1 |
0.3%
|
|
1987 | 3 |
0.8%
|
|
1989 | 1 |
0.3%
|
|
1993 | 3 |
0.8%
|
|
1994 | 1 |
0.3%
|
|
1998 | 1 |
0.3%
|
|
2000 | 8 |
2.1%
|
|
2001 | 8 |
2.1%
|
|
2002 | 7 |
1.8%
|
|
2003 | 8 |
2.1%
|
|
2004 | 7 |
1.8%
|
|
2005 | 9 |
2.4%
|
|
2006 | 10 |
2.6%
|
|
2007 | 10 |
2.6%
|
|
2008 | 15 |
3.9%
|
|
2009 | 19 |
5%
|
|
2010 | 58 |
15.2%
|
|
2011 | 27 |
7.1%
|
|
2012 | 27 |
7.1%
|
|
2013 | 38 |
10%
|
|
2014 | 28 |
7.3%
|
|
2015 | 21 |
5.5%
|
|
2016 | 28 |
7.3%
|
|
2017 | 16 |
4.2%
|
|
2018 | 10 |
2.6%
|
|
2019 | 5 |
1.3%
|
|
can't recall | 1 |
0.3%
|
|
no answer | 10 |
2.6%
|