Year $ 2011 PPP 2001 2999000 2002 2809000 2004 2861000 2005 2514000 2006 2869000 2007 3770000 2009 3833000 2010 3614000 2011 2612000 2012 2368000 2013 2609000 2014 2665000 2015 1694000