Year % change from 1990 1991 0.0711907096099029 1992 0.286912557911445 1993 1.28928174873053 1994 3.13654068143878 1995 6.66108072896376 1996 11.9603891692137 1997 18.4095475540419 1998 186.462616628525 1999 495.922232148692 2000 5.48623404645634 2001 2797.92182120228 2002 255.45361330346 2003 742.252586037507 2004 470.42555946448 2005 229.457005860729 2006 434.430256851469 2007 475.424907049618 2008 261.702797784885 2009 625.155367224639 2010 838.300051843116 2011 838.300051843293 2012 838.300051843268