Year | Value | 2018 | 665.90774976388 | 2017 | 849.03093307163 | 2016 | 1,016.8872352737 | 2015 | 1,366.4116767576 | 2014 | 1,323.269168287 | 2013 | 1,273.4892112987 | 2012 | 1,105.7381604196 | 2011 | 963.07015078318 | 2010 | 926.75090686292 | 2009 | 799.76667958087 | 2008 | 751.13446436973 | 2007 | 633.7840307846 | 2006 | 545.88016246734 | 2005 | 462.38647568375 | 2004 | 415.23113998357 | 2003 | 381.27291363969 | 2002 | 365.0083232599 | 2001 | 341.38132324818 | 2000 | 310.22354120949 | 1999 | 284.5298003286 | 1998 | 272.49965704034 | 1997 | 272.38583569118 | 1996 | 226.15331786691 | 1995 | 177.11474351289 | 1994 | 191.3257197135 | 1993 | 297.62455958993 | 1992 | 384.82372385558 | 1991 | 342.11271739695 | 1990 | 344.44024879539 |
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