Year constant 2015 US$ 2010 2180927302.646426 2011 1973021525.492074 2012 1957513001.5230968 2013 2085080032.219998 2014 2216194791.6941223 2015 2224144575.828588 2016 2356656357.6087666 2017 2362855774.2169113 2018 2368758840.3672757 2019 2430038991.8280134 2020 2590499473.3739448 2021 2774276426.7422457 2022 2751756059.844283 2023 2920695339.5334315