Year | Value | 2014 | 2,440.3496514925 | 2013 | 2,369.4379070593 | 2012 | 2,315.9813536172 | 2011 | 2,275.2669954584 | 2010 | 2,237.1533274995 | 2009 | 2,065.7820638033 | 2008 | 2,013.2238632927 | 2007 | 1,953.2095505122 | 2006 | 1,904.0198204964 | 2005 | 1,808.9063686215 | 2004 | 1,735.7158140537 | 2003 | 1,688.3692144128 | 2002 | 1,618.8074704858 | 2001 | 1,552.4387380979 | 2000 | 1,491.9658629994 | 1999 | 1,461.5526384387 | 1998 | 1,412.6829705433 | 1997 | 1,323.2727989978 | 1996 | 1,281.5192881229 | 1995 | 1,244.9220147948 | 1994 | 1,219.7227669675 | 1993 | 1,187.4129633152 | 1992 | 1,121.3309084275 | 1991 | 1,026.3710211711 | 1990 | 1,056.3373171351 | 1989 | 1,035.3518651793 | 1988 | 1,014.9565425507 | 1987 | 978.03492894459 | 1986 | 940.47505042566 | 1985 | 864.28715292382 | 1984 | 837.17866433891 | 1983 | 752.84714171115 | 1982 | 698.02778662404 | 1981 | 610.49575470747 | 1980 | 565.17193129188 | 1979 | 505.29662550528 | 1978 | 418.70329974771 | 1977 | 362.37500083718 | 1976 | 321.02363238265 | 1975 | 280.3657588509 | 1974 | 253.91754395957 | 1973 | 229.87725866897 | 1972 | 210.76039748138 | 1971 | 196.1995170152 |
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