Year constant 2021 international $ 2014 2641413558.527136 2015 2663748005.628953 2016 2846464532.3987675 2017 2685550621.7841353 2018 2582731923.6778007 2019 2540161316.9683204 2020 2298930648.076637 2021 2378602436.720102 2022 2467372791.097429