Year U.S. Dollars 2010-01-01 418144000000 2011-01-01 464800000000 2012-01-01 498482000000 2013-01-01 534710000000 2014-01-01 576478000000 2015-01-01 612667000000 2016-01-01 659698000000 2017-01-01 701819000000 2018-01-01 749409000000 2019-01-01 795383000000 2020-01-01 842947600000 2021-01-01 893229400000 2022-01-01 946247600000 2023-01-01 1001452900000