Year | Value | 2021 | 24,687.482421875 | 2020 | 22,488.416015625 | 2019 | 24,414.591796875 | 2018 | 24,887.5703125 | 2017 | 22,676.0390625 | 2016 | 20,629.857421875 | 2015 | 20,165.8515625 | 2014 | 22,731.18359375 | 2013 | 23,695.255859375 | 2012 | 25,145.888671875 | 2011 | 29,378.478515625 | 2010 | 26,890.353515625 | 2009 | 28,200.1171875 | 2008 | 30,762.45703125 | 2007 | 25,734.27734375 | 2006 | 22,178.787109375 | 2005 | 20,741.3828125 | 2004 | 19,631.4921875 | 2003 | 17,016.919921875 | 2002 | 13,312.547851562 | 2001 | 11,974.135742188 | 2000 | 11,346.930664062 | 1999 | 12,438.0390625 | 1998 | 13,496.974609375 | 1997 | 11,472.291992188 | 1996 | 12,306.182617188 | 1995 | 12,442.874023438 | 1994 | 9,940.1640625 | 1993 | 9,017.1201171875 | 1992 | 9,681.50390625 | 1991 | 8,310.265625 | 1990 | 8,259.68359375 | 1989 | 6,882.0209960938 | 1988 | 6,525.6323242188 | 1987 | 5,708.2329101562 | 1986 | 4,807.759765625 | 1985 | 3,878.4147949219 | 1984 | 3,690.6306152344 | 1983 | 3,547.8737792969 | 1982 | 3,620.5158691406 | 1981 | 3,545.2119140625 | 1980 | 3,762.4865722656 | 1979 | 2,287.0849609375 | 1978 | 1,734.1374511719 | 1977 | 1,332.7242431641 | 1976 | 1,024.7230224609 |
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