Year annual % growth 2001 19.387767792086862 2002 -1.1988481583277917 2003 15.074213615370866 2004 10.60454569230673 2005 6.85652011686328 2006 4.642250538841822 2007 0.5026654407849946 2008 17.05883378379663 2009 4.2142490338378025 2010 17.383005333533944 2011 3.202311093135691 2012 14.899460283098833 2013 4.868692941449424 2014 4.670588817001658 2015 4.504226339393867 2016 4.530913493830994