Year U.S. Dollars 2015-01-01 -154200000 2016-01-01 -233600000 2017-01-01 -228000000 2018-01-01 -282900000 2019-01-01 -260700000 2020-01-01 -246800000 2021-01-01 -230000000 2022-01-01 -244700000 2023-01-01 -260600000