Year U.S. Dollars 2010-01-01 3111700000 2011-01-01 3083500000 2012-01-01 3270800000 2013-01-01 3220900000 2014-01-01 3456400000 2015-01-01 3685100000 2016-01-01 3942400000 2017-01-01 4114600000 2018-01-01 4351600000 2019-01-01 4571900000 2020-01-01 4780000000 2021-01-01 4973200000 2022-01-01 5174300000 2023-01-01 5383500000