Year U.S. Dollars 2010-01-01 137875600000 2011-01-01 166231600000 2012-01-01 187153900000 2013-01-01 211856000000 2014-01-01 228003700000 2015-01-01 228031400000 2016-01-01 233602200000 2017-01-01 254657700000 2018-01-01 279456700000 2019-01-01 300498700000 2020-01-01 323209900000 2021-01-01 350263100000 2022-01-01 379567900000 2023-01-01 411347000000