Year % change from 1990 1991 -12.8394557969225 1992 -3.17684452414444 1993 -4.89922364083456 1994 -3.09523553856562 1995 5.34216714808808 1996 5.67719350993805 1997 10.4427287467652 1998 20.4688221461016 1999 19.2554253868373 2000 17.4804299504977 2001 22.2089190030818 2002 15.9572411867665 2003 21.2709525701462 2004 34.5624791950777 2005 34.6950937966433 2006 42.0313120792037 2007 84.7380458943164 2008 98.7586843772483 2009 79.5735930503506 2010 84.9458266668099 2011 86.7952849334779 2012 88.6447432001461