| Year | Value | | 2014 | 272.50344278023 | | 2013 | 221.93802362357 | | 2012 | 207.14645112074 | | 2011 | 164.74673705742 | | 2010 | 143.76686736939 | | 2009 | 127.36882706238 | | 2008 | 114.10017062673 | | 2007 | 100.32963681328 | | 2006 | 80.725466710799 | | 2005 | 66.885173331115 | | 2004 | 55.929567465463 | | 2003 | 51.768455806395 | | 2002 | 50.629771467879 | | 2001 | 36.715265899574 | | 2000 | 32.841424357329 | | 1999 | 30.170587358305 | | 1998 | 26.480243467414 | | 1997 | 23.968713306109 | | 1996 | 19.673400096507 | | 1995 | 13.187383190922 |
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