Year % change from 1990 1991 2.08420936788265 1992 3.38090796520858 1993 3.55884765796539 1994 6.78561932845936 1995 6.55583068348267 1996 13.8908818108861 1997 5.77047586175814 1998 7.95171785504316 1999 5.62098757689247 2000 0.979101816871486 2001 -0.0672012371358277 2002 2.18318762903396 2003 2.9457857198983 2004 0.650858037001822 2005 -3.3795965341992 2006 -3.88687557860266 2007 -7.61623101180098 2008 -9.30065609710047 2009 -15.7269551702522 2010 -7.43281530921722 2011 -10.8724376621166 2012 -14.7761794253839