Year % change from 1990 1991 -2.44249065417534E-13 1992 -3.77475828372553E-13 1993 -1.22124532708767E-13 1994 -2.44249065417534E-13 1995 0 1996 -2.44249065417534E-13 1997 -2.44249065417534E-13 1998 1058.19 1999 1796.025 2000 1872.9875 2001 2731.6125 2002 2320.8125 2003 1500.25 2004 2163.375 2005 1973.9625 2006 2906.8375 2007 2461.4125 2008 2076.325 2009 1594.725 2010 2046.4625 2011 2046.4625 2012 2046.4625