Value | Category | Cases | |
---|---|---|---|
0 | 1 |
0.1%
|
|
1979 | 6 |
0.7%
|
|
1980 | 2 |
0.2%
|
|
1983 | 2 |
0.2%
|
|
1984 | 4 |
0.4%
|
|
1987 | 2 |
0.2%
|
|
1988 | 12 |
1.3%
|
|
1989 | 4 |
0.4%
|
|
1990 | 6 |
0.7%
|
|
1991 | 3 |
0.3%
|
|
1992 | 11 |
1.2%
|
|
1993 | 9 |
1%
|
|
1994 | 6 |
0.7%
|
|
1995 | 8 |
0.9%
|
|
1996 | 2 |
0.2%
|
|
1997 | 11 |
1.2%
|
|
1998 | 9 |
1%
|
|
1999 | 4 |
0.4%
|
|
2000 | 5 |
0.6%
|
|
2001 | 4 |
0.4%
|
|
2002 | 7 |
0.8%
|
|
2003 | 2 |
0.2%
|
|
2004 | 6 |
0.7%
|
|
2005 | 3 |
0.3%
|
|
2006 | 5 |
0.6%
|
|
2007 | 6 |
0.7%
|
|
2008 | 5 |
0.6%
|
|
2009 | 4 |
0.4%
|
|
2010 | 19 |
2.1%
|
|
2011 | 19 |
2.1%
|
|
2012 | 22 |
2.4%
|
|
2013 | 530 |
58.5%
|
|
2014 | 88 |
9.7%
|
|
2015 | 20 |
2.2%
|
|
2016 | 20 |
2.2%
|
|
2017 | 17 |
1.9%
|
|
2018 | 6 |
0.7%
|
|
2019 | 16 |
1.8%
|
|
Sysmiss | 1321 |