Value | Category | Cases | |
---|---|---|---|
-99 | -99. DON'T KNOW | 288 |
26.5%
|
1950 | 1 |
0.1%
|
|
1952 | 3 |
0.3%
|
|
1955 | 2 |
0.2%
|
|
1956 | 1 |
0.1%
|
|
1958 | 7 |
0.6%
|
|
1960 | 7 |
0.6%
|
|
1962 | 1 |
0.1%
|
|
1965 | 1 |
0.1%
|
|
1966 | 1 |
0.1%
|
|
1968 | 2 |
0.2%
|
|
1970 | 5 |
0.5%
|
|
1972 | 1 |
0.1%
|
|
1973 | 1 |
0.1%
|
|
1974 | 3 |
0.3%
|
|
1975 | 6 |
0.6%
|
|
1976 | 12 |
1.1%
|
|
1977 | 7 |
0.6%
|
|
1978 | 15 |
1.4%
|
|
1979 | 3 |
0.3%
|
|
1980 | 22 |
2%
|
|
1981 | 3 |
0.3%
|
|
1982 | 1 |
0.1%
|
|
1983 | 4 |
0.4%
|
|
1984 | 3 |
0.3%
|
|
1985 | 7 |
0.6%
|
|
1986 | 1 |
0.1%
|
|
1987 | 7 |
0.6%
|
|
1988 | 30 |
2.8%
|
|
1989 | 1 |
0.1%
|
|
1990 | 6 |
0.6%
|
|
1991 | 3 |
0.3%
|
|
1992 | 6 |
0.6%
|
|
1993 | 14 |
1.3%
|
|
1994 | 4 |
0.4%
|
|
1995 | 8 |
0.7%
|
|
1996 | 3 |
0.3%
|
|
1997 | 2 |
0.2%
|
|
1998 | 33 |
3%
|
|
1999 | 8 |
0.7%
|
|
2000 | 18 |
1.7%
|
|
2001 | 9 |
0.8%
|
|
2002 | 8 |
0.7%
|
|
2003 | 13 |
1.2%
|
|
2004 | 10 |
0.9%
|
|
2005 | 12 |
1.1%
|
|
2006 | 8 |
0.7%
|
|
2007 | 15 |
1.4%
|
|
2008 | 26 |
2.4%
|
|
2009 | 10 |
0.9%
|
|
2010 | 27 |
2.5%
|
|
2011 | 23 |
2.1%
|
|
2012 | 16 |
1.5%
|
|
2013 | 28 |
2.6%
|
|
2014 | 36 |
3.3%
|
|
2015 | 51 |
4.7%
|
|
2016 | 77 |
7.1%
|
|
2017 | 96 |
8.8%
|
|
2018 | 72 |
6.6%
|
|
Sysmiss | 14275 |