Year	U.S. Dollars
2015-01-01	309359000000
2016-01-01	320880700000
2017-01-01	341659400000
2018-01-01	364781600000
2019-01-01	387983000000
2020-01-01	411349000000
2021-01-01	436134400000
2022-01-01	462990700000
2023-01-01	489765400000