Year	U.S. Dollars
2015-01-01	21410800000
2016-01-01	21132000000
2017-01-01	24472000000
2018-01-01	27278400000
2019-01-01	28750500000
2020-01-01	30358200000
2021-01-01	32551300000
2022-01-01	34906700000
2023-01-01	37424500000