Year U.S. Dollars 2015-01-01 -119400000 2016-01-01 6139600000 2017-01-01 9103800000 2018-01-01 7322000000 2019-01-01 6270300000 2020-01-01 5410100000 2021-01-01 4379900000 2022-01-01 3226400000 2023-01-01 1901800000