Year | Value | 2022 | 1,788 | 2021 | 1,755 | 2020 | 1,708 | 2019 | 1,649 | 2018 | 1,593 | 2017 | 1,550 | 2016 | 1,520 | 2015 | 1,501 | 2014 | 1,494 | 2013 | 1,503 | 2012 | 1,525 | 2011 | 1,556 | 2010 | 1,588 | 2009 | 1,610 | 2008 | 1,614 | 2007 | 1,599 | 2006 | 1,563 | 2005 | 1,510 | 2004 | 1,453 | 2003 | 1,396 | 2002 | 1,338 | 2001 | 1,277 | 2000 | 1,218 | 1999 | 1,164 | 1998 | 1,118 | 1997 | 1,077 | 1996 | 1,044 | 1995 | 1,014 | 1994 | 980 | 1993 | 945 | 1992 | 911 | 1991 | 876 | 1990 | 844 | 1989 | 816 | 1988 | 790 | 1987 | 768 | 1986 | 751 | 1985 | 735 | 1984 | 720 | 1983 | 707 | 1982 | 693 | 1981 | 678 | 1980 | 663 | 1979 | 647 | 1978 | 632 | 1977 | 618 | 1976 | 604 | 1975 | 593 | 1974 | 581 | 1973 | 570 | 1972 | 560 | 1971 | 549 | 1970 | 538 | 1969 | 527 | 1968 | 516 | 1967 | 505 | 1966 | 496 | 1965 | 485 | 1964 | 471 | 1963 | 450 | 1962 | 422 | 1961 | 392 | 1960 | 367 |
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