Year | Value | 2021 | 2,625.3199247519 | 2020 | 2,626.2207053498 | 2019 | 2,914.4925099051 | 2018 | 2,882.40186209 | 2017 | 2,742.0746570261 | 2016 | 2,598.9875010778 | 2015 | 2,515.2015267248 | 2014 | 2,371.1508079376 | 2013 | 2,189.5975992813 | 2012 | 1,962.1297029576 | 2011 | 1,837.4706132315 | 2010 | 1,576.3966151653 | 2009 | 1,448.6596150969 | 2008 | 1,377.4771736431 | 2007 | 1,070.5102366226 | 2006 | 941.62723693921 | 2005 | 814.39208872351 | 2004 | 781.35385563438 | 2003 | 754.93936396173 | 2002 | 767.46486981113 | 2001 | 807.25832439496 | 2000 | 835.75432407733 | 1999 | 863.96398893489 | 1998 | 923.56011305049 | 1997 | 868.31266704251 | 1996 | 823.51890657408 | 1995 | 755.76501019296 | 1994 | 685.739541331 | 1993 | 672.06427060202 | 1992 | 673.27938044379 | 1991 | 642.28872456144 | 1990 | 580.94951297883 | 1989 | 567.87530133875 | 1988 | 569.06477042653 | 1987 | 554.18106703229 | 1986 | 512.12230758227 | 1985 | 710.23367949909 | 1984 | 822.37708778475 | 1983 | 728.98671475486 | 1982 | 762.92732410332 | 1981 | 823.58907290642 | 1980 | 618.08212620161 | 1979 | 649.011797909 | 1978 | 590.75131692134 | 1977 | 530.79290622508 | 1976 | 469.04293256289 |
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