Year	U.S. Dollars
2015-01-01	18149800000
2016-01-01	20157100000
2017-01-01	22251800000
2018-01-01	24360200000
2019-01-01	26628000000
2020-01-01	29013000000
2021-01-01	31565400000
2022-01-01	34257100000
2023-01-01	37174300000