Year	U.S. Dollars
2010-01-01	20047500000
2011-01-01	25099700000
2012-01-01	24595300000
2013-01-01	28965900000
2014-01-01	30881200000
2015-01-01	27282600000
2016-01-01	27424200000
2017-01-01	29619500000
2018-01-01	32290900000
2019-01-01	34615400000
2020-01-01	36993800000
2021-01-01	39406400000
2022-01-01	42003500000
2023-01-01	44785600000