Year % change from 1990 1991 -3.20589456058602 1992 0.383336499227349 1993 5.9357440779785 1994 -12.6355273889565 1995 -7.77897139311434 1996 -5.81686988048339 1997 -4.91106956570059 1998 -8.90375049275604 1999 -58.9237939853615 2000 111.752592458337 2001 91.9574263101993 2002 -71.9263177776696 2003 -49.1917618826628 2004 1.28526679130301 2005 4.25120919397048 2006 -49.9757639827952 2007 48.1412442187508 2008 -28.9702482329316 2009 33.0116054455963 2010 -84.8345420166751 2011 -84.834542016675 2012 -84.8345420166749