Year constant 2010 US$ 1995 1278.77339572729 1996 1380.56155920712 1997 1471.2948272966 1998 1526.71571237289 1999 1619.68272869158 2000 1738.35205925022 2001 1843.61911595525 2002 1986.30544064411 2003 2158.5287596417 2004 2349.22407189552 2005 2556.86480009853 2006 2841.94575979581 2007 3197.07738354449 2008 3460.52161897612 2009 3688.39928525144 2010 4027.09938756695 2011 4322.93923764473 2012 4634.56253593281 2013 4908.77003211652 2014 5242.12252625628 2015 5521.73923588762 2016 5832.24345451917 2017 6170.32193512315