Year % change from 1990 1991 6.99306842138887 1992 13.4311314125088 1993 19.1049639046828 1994 24.4441960007666 1995 29.901616303584 1996 31.9339743180221 1997 33.1334249025746 1998 43.141091164633 1999 48.3948763815243 2000 47.7192870376286 2001 57.1352136970549 2002 58.6077748674376 2003 64.295981600971 2004 66.4617006324666 2005 71.6827445218169 2006 74.8083434485402 2007 78.1048361336485 2008 75.1110010860538 2009 98.3054366575098 2010 189.494026704146 2011 192.388966971188 2012 195.283907238229