Value | Category | Cases | |
---|---|---|---|
1962 | 1 |
0.4%
|
|
1967 | 2 |
0.8%
|
|
1968 | 1 |
0.4%
|
|
1972 | 1 |
0.4%
|
|
1975 | 2 |
0.8%
|
|
1976 | 1 |
0.4%
|
|
1979 | 1 |
0.4%
|
|
1982 | 1 |
0.4%
|
|
1985 | 3 |
1.2%
|
|
1986 | 1 |
0.4%
|
|
1987 | 4 |
1.6%
|
|
1988 | 1 |
0.4%
|
|
1990 | 1 |
0.4%
|
|
1991 | 2 |
0.8%
|
|
1993 | 1 |
0.4%
|
|
1994 | 1 |
0.4%
|
|
1996 | 6 |
2.3%
|
|
1997 | 1 |
0.4%
|
|
1998 | 5 |
2%
|
|
1999 | 1 |
0.4%
|
|
2000 | 5 |
2%
|
|
2001 | 5 |
2%
|
|
2002 | 14 |
5.5%
|
|
2003 | 25 |
9.8%
|
|
2004 | 20 |
7.8%
|
|
2005 | 23 |
9%
|
|
2006 | 16 |
6.3%
|
|
2007 | 9 |
3.5%
|
|
2008 | 8 |
3.1%
|
|
2009 | 22 |
8.6%
|
|
2010 | 15 |
5.9%
|
|
2011 | 6 |
2.3%
|
|
2012 | 20 |
7.8%
|
|
2013 | 13 |
5.1%
|
|
2014 | 12 |
4.7%
|
|
2015 | 6 |
2.3%
|