Year | Value | 2014 | 2,174.0913601561 | 2013 | 2,169.1060450688 | 2012 | 2,148.1966617917 | 2011 | 2,095.54520179 | 2010 | 2,004.2819223006 | 2009 | 1,910.1535119153 | 2008 | 1,929.7075177315 | 2007 | 1,874.7389200305 | 2006 | 1,813.018861405 | 2005 | 1,765.7639780408 | 2004 | 1,710.8758758731 | 2003 | 1,675.2238267262 | 2002 | 1,599.6999981006 | 2001 | 1,574.0277656736 | 2000 | 1,607.3922721948 | 1999 | 1,546.8837752677 | 1998 | 1,521.247876859 | 1997 | 1,461.1493832146 | 1996 | 1,397.3956516249 | 1995 | 1,355.8106264531 | 1994 | 1,312.2616671941 | 1993 | 1,271.645187859 | 1992 | 1,238.4189982099 | 1991 | 1,217.5055787097 | 1990 | 1,175.3439908268 | 1989 | 1,175.7706888884 | 1988 | 1,164.7520967354 | 1987 | 1,129.3025095627 | 1986 | 1,099.0710464645 | 1985 | 1,058.2065336634 | 1984 | 1,021.3701880401 | 1983 | 960.81423164256 | 1982 | 925.75134921718 | 1981 | 907.43320120908 | 1980 | 887.97050137188 | 1979 | 835.81545972909 | 1978 | 768.1290770567 | 1977 | 718.17661562696 | 1976 | 668.04290933811 | 1975 | 625.4811534347 | 1974 | 604.86678357828 | 1973 | 568.11159564828 | 1972 | 532.96976374918 | 1971 | 501.37305286023 |
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