Year constant 2015 US$ 2015 293133023632.8618 2016 307191705448.9281 2017 325050109047.6335 2018 338577090555.2905 2019 355578190234.0862 2020 337919561473.7462 2021 347711578404.0538 2022 375238422930.689 2023 390409867240.52856