Year U.S. Dollars 2015-01-01 -469100000 2016-01-01 -699700000 2017-01-01 -980200000 2018-01-01 -803800000 2019-01-01 -1144500000 2020-01-01 -899300000 2021-01-01 -590800000 2022-01-01 -4700000 2023-01-01 425300000