Value | Category | Cases | |
---|---|---|---|
-98 | Don't Know / Don't Recall | 1129 |
3.7%
|
1952 | 2 |
0%
|
|
1954 | 1 |
0%
|
|
1955 | 1 |
0%
|
|
1956 | 4 |
0%
|
|
1957 | 3 |
0%
|
|
1958 | 1 |
0%
|
|
1959 | 3 |
0%
|
|
1960 | 16 |
0.1%
|
|
1961 | 2 |
0%
|
|
1962 | 5 |
0%
|
|
1963 | 4 |
0%
|
|
1964 | 3 |
0%
|
|
1965 | 8 |
0%
|
|
1967 | 4 |
0%
|
|
1968 | 4 |
0%
|
|
1969 | 14 |
0%
|
|
1970 | 21 |
0.1%
|
|
1971 | 4 |
0%
|
|
1972 | 16 |
0.1%
|
|
1973 | 9 |
0%
|
|
1974 | 11 |
0%
|
|
1975 | 4 |
0%
|
|
1976 | 6 |
0%
|
|
1977 | 10 |
0%
|
|
1978 | 14 |
0%
|
|
1979 | 12 |
0%
|
|
1980 | 40 |
0.1%
|
|
1981 | 14 |
0%
|
|
1982 | 12 |
0%
|
|
1983 | 16 |
0.1%
|
|
1984 | 22 |
0.1%
|
|
1985 | 34 |
0.1%
|
|
1986 | 35 |
0.1%
|
|
1987 | 15 |
0%
|
|
1988 | 27 |
0.1%
|
|
1989 | 31 |
0.1%
|
|
1990 | 67 |
0.2%
|
|
1991 | 20 |
0.1%
|
|
1992 | 33 |
0.1%
|
|
1993 | 22 |
0.1%
|
|
1994 | 38 |
0.1%
|
|
1995 | 52 |
0.2%
|
|
1996 | 63 |
0.2%
|
|
1997 | 45 |
0.1%
|
|
1998 | 67 |
0.2%
|
|
1999 | 85 |
0.3%
|
|
2000 | 162 |
0.5%
|
|
2001 | 51 |
0.2%
|
|
2002 | 70 |
0.2%
|
|
2003 | 80 |
0.3%
|
|
2004 | 121 |
0.4%
|
|
2005 | 115 |
0.4%
|
|
2006 | 74 |
0.2%
|
|
2007 | 103 |
0.3%
|
|
2008 | 154 |
0.5%
|
|
2009 | 179 |
0.6%
|
|
2010 | 170 |
0.6%
|
|
2011 | 135 |
0.4%
|
|
2012 | 157 |
0.5%
|
|
2013 | 211 |
0.7%
|
|
2014 | 305 |
1%
|
|
2015 | 378 |
1.2%
|
|
2016 | 427 |
1.4%
|
|
2017 | 659 |
2.2%
|
|
2018 | 2157 |
7%
|
|
2019 | 22530 |
73.6%
|
|
Sysmiss | 316 |