| Year | Value | | 2022 | 11,309 | | 2021 | 10,263 | | 2020 | 9,463 | | 2019 | 8,563 | | 2018 | 7,463 | | 2017 | 6,477 | | 2016 | 5,666 | | 2015 | 4,967 | | 2014 | 4,418 | | 2013 | 4,015 | | 2012 | 3,674 | | 2011 | 3,413 | | 2010 | 3,190 | | 2009 | 3,015 | | 2008 | 2,880 | | 2007 | 2,741 | | 2006 | 2,599 | | 2005 | 2,458 | | 2004 | 2,319 | | 2003 | 2,183 | | 2002 | 2,051 | | 2001 | 1,924 | | 2000 | 1,805 | | 1999 | 1,699 | | 1998 | 1,603 | | 1997 | 1,516 | | 1996 | 1,437 | | 1995 | 1,365 | | 1994 | 1,291 | | 1993 | 1,194 | | 1992 | 1,058 | | 1991 | 808 | | 1990 | 911 | | 1989 | 1,158 | | 1988 | 1,129 | | 1987 | 1,134 | | 1986 | 1,153 | | 1985 | 1,172 | | 1984 | 1,182 | | 1983 | 1,180 | | 1982 | 1,169 | | 1981 | 1,154 | | 1980 | 1,136 | | 1979 | 1,116 | | 1978 | 1,089 | | 1977 | 1,053 | | 1976 | 1,012 | | 1975 | 969 | | 1974 | 923 | | 1973 | 880 | | 1972 | 841 | | 1971 | 801 | | 1970 | 753 | | 1969 | 702 | | 1968 | 654 | | 1967 | 612 | | 1966 | 573 | | 1965 | 539 | | 1964 | 506 | | 1963 | 470 | | 1962 | 432 | | 1961 | 395 | | 1960 | 364 |
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