Year | Value | 2014 | 797.34923201084 | 2013 | 758.11067515872 | 2012 | 718.2959461857 | 2011 | 692.7793569598 | 2010 | 637.12584422538 | 2009 | 595.60565583268 | 2008 | 558.42675345854 | 2007 | 538.7865959494 | 2006 | 506.22250861856 | 2005 | 465.17667730408 | 2004 | 448.97201552572 | 2003 | 428.21328452702 | 2002 | 408.77690062642 | 2001 | 392.36090357346 | 2000 | 392.51017574541 | 1999 | 391.11963371412 | 1998 | 385.12696676131 | 1997 | 374.94741155611 | 1996 | 359.48108590843 | 1995 | 358.62956025879 | 1994 | 341.35405246045 | 1993 | 320.91497141823 | 1992 | 305.01312846595 | 1991 | 291.6625282253 | 1990 | 272.94664721754 | 1989 | 258.04193642552 | 1988 | 241.10212768112 | 1987 | 221.29144498645 | 1986 | 209.04423034484 | 1985 | 194.55628338038 | 1984 | 184.24812229375 | 1983 | 166.48777207777 | 1982 | 158.76556191397 | 1981 | 152.41503639563 | 1980 | 142.13973215227 | 1979 | 136.08986430431 | 1978 | 136.16897806972 | 1977 | 126.39683378133 | 1976 | 124.15847551734 | 1975 | 114.48151944199 | 1974 | 103.83585484525 | 1973 | 100.4063892954 | 1972 | 100.00377926645 | 1971 | 97.407158015235 |
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