Year	U.S. Dollars
2010-01-01	135893700000
2011-01-01	157136000000
2012-01-01	164197800000
2013-01-01	169612400000
2014-01-01	173553700000
2015-01-01	160300100000
2016-01-01	150464900000
2017-01-01	146658300000
2018-01-01	148663600000
2019-01-01	151464200000
2020-01-01	157733100000
2021-01-01	167716700000
2022-01-01	178325600000
2023-01-01	188458000000