Year U.S. Dollars 2010-01-01 1662130000000 2011-01-01 1769921000000 2012-01-01 1822808000000 2013-01-01 1897531000000 2014-01-01 1990183000000 2015-01-01 1994911000000 2016-01-01 2035506000000 2017-01-01 2144395000000 2018-01-01 2237031300000 2019-01-01 2327061500000 2020-01-01 2419102400000 2021-01-01 2511943500000 2022-01-01 2604486300000 2023-01-01 2700064800000