Year U.S. Dollars 2010-01-01 2081700000 2011-01-01 2102400000 2012-01-01 2159700000 2013-01-01 2275100000 2014-01-01 2461000000 2015-01-01 2691900000 2016-01-01 2851700000 2017-01-01 3009300000 2018-01-01 3186000000 2019-01-01 3372700000 2020-01-01 3543800000 2021-01-01 3716900000 2022-01-01 3898200000 2023-01-01 4086500000