Year Percent 1990 0.00395 1991 -0.03015 1992 1.72794 1993 0.00913 1994 0.81887 1995 1.82397 1996 2.87745 1997 0.6967 1998 1.70483 1999 0.40739 2000 0.36173 2001 0.58365 2002 0.28971 2003 -0.23784 2004 0.52811 2005 0.17445 2006 0.15218 2007 -0.11828 2008 0.11408 2009 1.03942 2010 -0.6134 2011 0.38269 2012 1.48545 2013 4.7478 2014 2.23308 2015 3.92829 2017 -0.69838