Year U.S. Dollars 2010-01-01 13366377200000 2011-01-01 14665576500000 2012-01-01 15817754600000 2013-01-01 16277187100000 2014-01-01 17471466700000 2015-01-01 18536531300000 2016-01-01 20099594400000 2017-01-01 21751024900000 2018-01-01 22981058300000 2019-01-01 24433849300000 2020-01-01 25982312800000 2021-01-01 27638035500000 2022-01-01 29381503700000 2023-01-01 31187282800000