Year U.S. Dollars 2010-01-01 115612700000 2011-01-01 125333400000 2012-01-01 129687700000 2013-01-01 132164900000 2014-01-01 136485600000 2015-01-01 137501400000 2016-01-01 138585600000 2017-01-01 142880300000 2018-01-01 151708700000 2019-01-01 158334200000 2020-01-01 166586000000 2021-01-01 175613600000 2022-01-01 184905200000 2023-01-01 194436900000