Year | Value | 2014 | 1,368.6215188747 | 2013 | 1,283.6104331544 | 2012 | 1,242.0638947404 | 2011 | 1,126.9570182047 | 2010 | 1,020.0705347985 | 2009 | 869.70018812061 | 2008 | 951.70345082464 | 2007 | 899.10415327856 | 2006 | 867.74130643623 | 2005 | 895.84239193924 | 2004 | 808.60810824029 | 2003 | 791.5239770497 | 2002 | 736.13355840638 | 2001 | 714.7851261747 | 2000 | 689.23675778168 | 1999 | 658.76706394034 | 1998 | 624.03365678109 | 1997 | 580.91267443707 | 1996 | 576.06385507576 | 1995 | 565.4184830674 | 1994 | 556.43042063992 | 1993 | 553.62356383325 | 1992 | 565.6433606274 | 1991 | 537.92190642769 | 1990 | 536.60005845269 | 1989 | 526.68781265937 | 1988 | 485.87184978372 | 1987 | 459.04153467332 | 1986 | 489.93659055438 | 1985 | 472.7802337741 | 1984 | 448.92077184083 | 1983 | 425.97199096359 | 1982 | 415.24800680957 | 1981 | 372.32531031286 | 1980 | 338.8052687768 | 1979 | 322.89349562263 | 1978 | 286.40059389842 | 1977 | 239.22925574781 | 1976 | 227.87166171046 | 1975 | 206.68131369441 | 1974 | 181.87095055024 | 1973 | 168.66771911536 | 1972 | 151.24917692469 | 1971 | 141.10288881057 |
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