Year constant 2015 US$ 2010 2206208144.2876425 2011 3666129457.3878417 2012 4203961246.250447 2013 3902523912.177484 2014 3056766821.5086775 2015 2123756243.3774133 2016 2287632411.2945676 2017 2933102000.4841714 2018 3866548515.1752334 2019 4407844307.816693 2020 3477886294.9379973 2021 4092826323.433535 2022 4634106836.087213 2023 4959210221.042433