Year | Value | 2022 | 1,332 | 2021 | 1,419 | 2020 | 1,480 | 2019 | 1,508 | 2018 | 1,518 | 2017 | 1,509 | 2016 | 1,496 | 2015 | 1,483 | 2014 | 1,466 | 2013 | 1,448 | 2012 | 1,430 | 2011 | 1,408 | 2010 | 1,382 | 2009 | 1,350 | 2008 | 1,312 | 2007 | 1,272 | 2006 | 1,234 | 2005 | 1,200 | 2004 | 1,169 | 2003 | 1,143 | 2002 | 1,117 | 2001 | 1,095 | 2000 | 1,084 | 1999 | 1,076 | 1998 | 1,068 | 1997 | 1,066 | 1996 | 1,064 | 1995 | 1,051 | 1994 | 1,033 | 1993 | 1,011 | 1992 | 982 | 1991 | 955 | 1990 | 947 | 1989 | 956 | 1988 | 962 | 1987 | 963 | 1986 | 965 | 1985 | 962 | 1984 | 953 | 1983 | 934 | 1982 | 907 | 1981 | 877 | 1980 | 847 | 1979 | 821 | 1978 | 791 | 1977 | 756 | 1976 | 719 | 1975 | 685 | 1974 | 659 | 1973 | 643 | 1972 | 633 | 1971 | 623 | 1970 | 613 | 1969 | 604 | 1968 | 599 | 1967 | 592 | 1966 | 586 | 1965 | 580 | 1964 | 577 | 1963 | 578 | 1962 | 585 | 1961 | 592 | 1960 | 604 |
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