Year U.S. Dollars 2010-01-01 30149700000 2011-01-01 35836800000 2012-01-01 41647600000 2013-01-01 46717500000 2014-01-01 51227700000 2015-01-01 54315700000 2016-01-01 57820900000 2017-01-01 61838200000 2018-01-01 66710600000 2019-01-01 72371400000 2020-01-01 78148700000 2021-01-01 84369000000 2022-01-01 91065100000 2023-01-01 98329500000