Value | Category | Cases | |
---|---|---|---|
-9 | Don't know | 6 |
5.5%
|
1925 | 1 |
0.9%
|
|
1929 | 1 |
0.9%
|
|
1942 | 1 |
0.9%
|
|
1950 | 1 |
0.9%
|
|
1953 | 1 |
0.9%
|
|
1954 | 1 |
0.9%
|
|
1965 | 2 |
1.8%
|
|
1967 | 1 |
0.9%
|
|
1969 | 1 |
0.9%
|
|
1970 | 1 |
0.9%
|
|
1973 | 4 |
3.7%
|
|
1974 | 1 |
0.9%
|
|
1976 | 3 |
2.8%
|
|
1979 | 4 |
3.7%
|
|
1980 | 4 |
3.7%
|
|
1981 | 1 |
0.9%
|
|
1983 | 2 |
1.8%
|
|
1985 | 1 |
0.9%
|
|
1986 | 1 |
0.9%
|
|
1987 | 3 |
2.8%
|
|
1988 | 1 |
0.9%
|
|
1989 | 1 |
0.9%
|
|
1990 | 3 |
2.8%
|
|
1991 | 1 |
0.9%
|
|
1992 | 5 |
4.6%
|
|
1993 | 4 |
3.7%
|
|
1994 | 5 |
4.6%
|
|
1995 | 7 |
6.4%
|
|
1996 | 6 |
5.5%
|
|
1998 | 3 |
2.8%
|
|
1999 | 4 |
3.7%
|
|
2000 | 3 |
2.8%
|
|
2001 | 3 |
2.8%
|
|
2002 | 4 |
3.7%
|
|
2003 | 8 |
7.3%
|
|
2004 | 1 |
0.9%
|
|
2005 | 1 |
0.9%
|
|
2006 | 3 |
2.8%
|
|
2007 | 4 |
3.7%
|
|
2008 | 1 |
0.9%
|