Year constant 2010 US$ 2010 3969815208.44777 2011 4598126308.24688 2012 5195948520.93217 2013 5997896526.85555 2014 6375619611.43769 2015 6894628540.7868 2016 6713777786.26833 2017 6696517976.01027 2018 6956735176.12505