Year U.S. Dollars 2015-01-01 -60400000 2016-01-01 -52300000 2017-01-01 -47800000 2018-01-01 -52200000 2019-01-01 -54200000 2020-01-01 -50300000 2021-01-01 -51000000 2022-01-01 -52200000 2023-01-01 -51200000