Year annual % growth 1991 1.77051702315561 1992 -0.849140300643995 1993 -4.57574590089182 1994 -0.219266861222692 1995 2.99988754227624 1996 3.82247323182747 1997 0.584932219281441 1998 0.159136097490787 1999 2.28762449535571 2000 1.45990451570917 2001 3.51171060912546 2002 1.8911489810082 2003 3.98929549039777 2004 7.95125542848541 2005 2.93678958020945 2006 4.14482190514573 2007 8.06506142590615 2008 -0.821613987916493 2009 5.72700937254621 2010 1.91283336868571 2011 -1.14355887947491 2012 5.83505149922749 2013 1.95646429370085 2014 3.89349577188038 2015 1.71197605818034 2016 -0.264312367811769 2017 0.818141738984735