Year	U.S. Dollars
2010-01-01	21418300000
2011-01-01	23139000000
2012-01-01	23813600000
2013-01-01	24350900000
2014-01-01	25054200000
2015-01-01	26052300000
2016-01-01	26797500000
2017-01-01	28022600000
2018-01-01	29406800000
2019-01-01	30709000000
2020-01-01	32066600000
2021-01-01	33445700000
2022-01-01	34907700000
2023-01-01	36477200000