Year constant 2010 US$ 2008 2781848369.15274 2009 2043599670.6317 2010 3343738812.55849 2011 1142648442.23225 2012 3642241880.73684 2013 4487700346.14883 2014 5460367748.0519 2015 6036035697.69989 2016 5636305876.99335 2017 5900769932.17043 2018 7235881713.80034