Year constant 2010 US$ 2000 3870.09807650649 2001 4033.80944079667 2002 4183.97617514408 2003 4326.17779595138 2004 4515.25894001172 2005 4846.22156092427 2006 5225.20366861196 2007 5599.47159560423 2008 5823.64945494923 2009 5482.18906982549 2010 5831.17927195772 2011 6246.9172359591 2012 6223.27810156424 2013 6282.73042469677 2014 6269.57564927063 2015 5887.39520100613 2016 5917.21140871987 2017 5926.92956454876