Year U.S. Dollars 2015-01-01 1067300000 2016-01-01 1338800000 2017-01-01 -93500000 2018-01-01 -980300000 2019-01-01 -892200000 2020-01-01 -843300000 2021-01-01 -839900000 2022-01-01 -896800000 2023-01-01 -963100000