Year U.S. Dollars 2015-01-01 304092200000 2016-01-01 309753500000 2017-01-01 323901800000 2018-01-01 349658900000 2019-01-01 367783200000 2020-01-01 385237300000 2021-01-01 401863400000 2022-01-01 419192400000 2023-01-01 437823800000