Year U.S. Dollars 2015-01-01 412100000 2016-01-01 413200000 2017-01-01 437300000 2018-01-01 433000000 2019-01-01 453600000 2020-01-01 474500000 2021-01-01 493200000 2022-01-01 511400000 2023-01-01 528100000