Year | Value | 2022 | 1,010 | 2021 | 955 | 2020 | 894 | 2019 | 843 | 2018 | 807 | 2017 | 773 | 2016 | 743 | 2015 | 724 | 2014 | 711 | 2013 | 700 | 2012 | 688 | 2011 | 669 | 2010 | 649 | 2009 | 640 | 2008 | 639 | 2007 | 644 | 2006 | 647 | 2005 | 644 | 2004 | 639 | 2003 | 634 | 2002 | 630 | 2001 | 631 | 2000 | 629 | 1999 | 621 | 1998 | 624 | 1997 | 637 | 1996 | 658 | 1995 | 685 | 1994 | 710 | 1993 | 727 | 1992 | 736 | 1991 | 735 | 1990 | 729 | 1989 | 725 | 1988 | 717 | 1987 | 708 | 1986 | 700 | 1985 | 688 | 1984 | 671 | 1983 | 651 | 1982 | 628 | 1981 | 603 | 1980 | 577 | 1979 | 553 | 1978 | 532 | 1977 | 517 | 1976 | 505 | 1975 | 492 | 1974 | 474 | 1973 | 446 | 1972 | 406 | 1971 | 368 | 1970 | 339 | 1969 | 322 | 1968 | 323 | 1967 | 337 | 1966 | 349 | 1965 | 348 | 1964 | 333 | 1963 | 308 | 1962 | 272 | 1961 | 238 | 1960 | 216 |
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