Year U.S. Dollars 2010-01-01 3768900000 2011-01-01 3881200000 2012-01-01 3901600000 2013-01-01 4000000000 2014-01-01 4166200000 2015-01-01 4394500000 2016-01-01 4465600000 2017-01-01 4599600000 2018-01-01 4786300000 2019-01-01 4972900000 2020-01-01 5155600000 2021-01-01 5335800000 2022-01-01 5512200000 2023-01-01 5686500000