Year constant 2010 US$ 1995 3177.7363313031 1996 3187.04213234972 1997 3050.46149934479 1998 3128.66201099463 1999 2988.00882155499 2000 2642.13052022621 2001 2744.02708819584 2002 3006.49596969402 2003 2820.38198906899 2004 2892.56252760903 2005 2823.94410624576 2006 2916.54728930371 2007 3169.49399071505 2008 3304.28375005768 2009 3294.48317212726 2010 3596.17999642652 2011 3754.19451258907 2012 3609.40144232941 2013 3863.26439812901 2014 4028.96707583325 2015 4028.14954284134 2016 4156.16966558524 2017 4415.55940395261