Year constant 2010 US$ 1995 8899.71175902698 1996 8758.17558483937 1997 8552.46705483328 1998 8816.25032484303 1999 8746.51084944193 2000 8271.95191271262 2001 8570.16032759214 2002 9572.97505030668 2003 9196.45630506447 2004 9012.88962164861 2005 9698.36465178977 2006 9909.24550341273 2007 8023.22758365196 2008 7487.54234206957 2009 7265.86978896006 2010 6944.61260402711 2011 6854.86394856199 2012 6722.14174786259 2013 7094.08862675487 2014 6982.4872613995 2015 7050.84304763482 2016 7331.47122729885 2017 7691.53693106614