Year	U.S. Dollars
2015-01-01	1232918400000
2016-01-01	1264944300000
2017-01-01	1379547600000
2018-01-01	1500256000000
2019-01-01	1581887700000
2020-01-01	1666742600000
2021-01-01	1754989200000
2022-01-01	1852062800000
2023-01-01	1958174400000