Year constant 2010 US$ 2000 68604054.5351404 2001 61387526.7358675 2002 41434133.9847744 2003 50145538.8306931 2004 49008263.209323 2005 68130356.0180639 2006 62653251.5626692 2007 88713187.7256422 2008 99192307.4959441 2009 88140350.4957679 2010 91572063.7138409 2011 100513970.8781 2012 64166544.8870792 2013 67116448.0174389 2014 106168549.10473 2015 101586618.843544 2016 106980836.274522 2017 108136868.143749 2018 117723581.591446