Year U.S. Dollars 2015-01-01 401383800000 2016-01-01 411847000000 2017-01-01 455377800000 2018-01-01 483738500000 2019-01-01 520073800000 2020-01-01 550334100000 2021-01-01 581508300000 2022-01-01 614412500000 2023-01-01 649922700000