Year % change from 1990 1991 -4.92293170631195 1992 1.12829824720453 1993 11.0793817635011 1994 -18.7468445635393 1995 -11.5620159588824 1996 -8.5776087547661 1997 -7.04655144253288 1998 -29.3963625815776 1999 17.2483589628099 2000 -52.5549055222854 2001 -67.7002333221098 2002 -42.5363785056292 2003 -35.3229798361183 2004 31.1066354220892 2005 60.6360277087946 2006 -14.7581169670052 2007 18.1245700818801 2008 -37.7077940931927 2009 -60.3282251638847 2010 -46.5856137460456 2011 222.344060450781 2012 222.730661981738