Year U.S. Dollars 2010-01-01 53893200000 2011-01-01 58022900000 2012-01-01 60702500000 2013-01-01 62061400000 2014-01-01 65321800000 2015-01-01 68197400000 2016-01-01 71673200000 2017-01-01 75018100000 2018-01-01 80412900000 2019-01-01 84585100000 2020-01-01 89367600000 2021-01-01 94428800000 2022-01-01 99770600000 2023-01-01 105453800000