Value | Category | Cases | |
---|---|---|---|
1971 | 5 |
0%
|
|
1972 | 16 |
0.1%
|
|
1973 | 8 |
0%
|
|
1974 | 27 |
0.1%
|
|
1975 | 101 |
0.4%
|
|
1976 | 109 |
0.5%
|
|
1977 | 222 |
0.9%
|
|
1978 | 316 |
1.3%
|
|
1979 | 471 |
2%
|
|
1980 | 743 |
3.1%
|
|
1981 | 694 |
2.9%
|
|
1982 | 668 |
2.8%
|
|
1983 | 772 |
3.3%
|
|
1984 | 672 |
2.8%
|
|
1985 | 607 |
2.6%
|
|
1986 | 718 |
3%
|
|
1987 | 769 |
3.2%
|
|
1988 | 726 |
3.1%
|
|
1989 | 869 |
3.7%
|
|
1990 | 818 |
3.4%
|
|
1991 | 833 |
3.5%
|
|
1992 | 881 |
3.7%
|
|
1993 | 775 |
3.3%
|
|
1994 | 881 |
3.7%
|
|
1995 | 925 |
3.9%
|
|
1996 | 927 |
3.9%
|
|
1997 | 931 |
3.9%
|
|
1998 | 929 |
3.9%
|
|
1999 | 783 |
3.3%
|
|
2000 | 939 |
4%
|
|
2001 | 841 |
3.5%
|
|
2002 | 813 |
3.4%
|
|
2003 | 759 |
3.2%
|
|
2004 | 772 |
3.3%
|
|
2005 | 636 |
2.7%
|
|
2006 | 529 |
2.2%
|
|
2007 | 480 |
2%
|
|
2008 | 505 |
2.1%
|
|
2009 | 176 |
0.7%
|
|
9997 | inconsistent | 19 |
0.1%
|
9998 | dk | 39 |
0.2%
|
9999 | missing | 12 |
0.1%
|