Year constant 2015 US$ 2010 906.2546775244775 2011 905.380878787454 2012 966.196411300287 2013 1020.7872342475265 2014 1056.4713426002756 2015 1077.3183272426315 2016 1085.5806905508573 2017 1118.5814561168438 2018 1157.889031745929 2019 1120.0618263486767 2020 1078.0229498231927 2021 1060.7169193946522 2022 1141.184086911293