Year % change from 1990 1991 0 1992 0 1993 -2.55351295663786E-13 1994 0 1995 -2.55351295663786E-13 1996 2.66453525910038E-13 1997 0 1998 -62 1999 -78.2499999999999 2000 -10.2499999999997 2001 71.8480000000002 2002 44.4520000000002 2003 -33.44275 2004 55.2262499999997 2005 -64.02425 2006 47.6419999999997 2007 6.08899999999999 2008 -16.1615 2009 99.6947500000025 2010 -69.2085 2011 -69.2085000000003 2012 -69.2084999999997