Year | Value | 2022 | 2,179 | 2021 | 2,165 | 2020 | 2,143 | 2019 | 2,073 | 2018 | 2,002 | 2017 | 1,930 | 2016 | 1,827 | 2015 | 1,708 | 2014 | 1,609 | 2013 | 1,515 | 2012 | 1,413 | 2011 | 1,322 | 2010 | 1,216 | 2009 | 1,112 | 2008 | 1,048 | 2007 | 1,000 | 2006 | 958 | 2005 | 942 | 2004 | 948 | 2003 | 962 | 2002 | 1,000 | 2001 | 1,066 | 2000 | 1,126 | 1999 | 1,135 | 1998 | 1,099 | 1997 | 1,060 | 1996 | 1,029 | 1995 | 1,009 | 1994 | 986 | 1993 | 956 | 1992 | 931 | 1991 | 907 | 1990 | 882 | 1989 | 859 | 1988 | 838 | 1987 | 820 | 1986 | 806 | 1985 | 794 | 1984 | 779 | 1983 | 762 | 1982 | 742 | 1981 | 719 | 1980 | 696 | 1979 | 674 | 1978 | 655 | 1977 | 642 | 1976 | 637 | 1975 | 632 | 1974 | 622 | 1973 | 608 | 1972 | 595 | 1971 | 582 | 1970 | 568 | 1969 | 554 | 1968 | 542 | 1967 | 529 | 1966 | 518 | 1965 | 507 | 1964 | 496 | 1963 | 487 | 1962 | 473 | 1961 | 455 | 1960 | 438 |
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