Year % change from 1990 1991 -11.3516327176886 1992 12.3822573834462 1993 -11.2223517096448 1994 -5.56580972546449 1995 -0.217457459945358 1996 -3.34049726794035 1997 -3.90108273040459 1998 -1.94193248216518 1999 -3.92168264860103 2000 0.768039261461229 2001 3.60222443147444 2002 1.41233695245213 2003 1.04460076341037 2004 3.81924418019639 2005 7.02329506847228 2006 27.7172303336955 2007 65.0663121335401 2008 34.4778009824237 2009 32.3536450522012 2010 30.8763139732299 2011 31.9147486435138 2012 32.9531739419698