Year	current US$
2008	1931956935.6964993
2009	1636165601.5559878
2010	1770369967.745314
2011	2286617465.6952677
2012	1966257589.8902533
2013	2020454349.2552578
2014	1969936019.3854887
2015	1915982096.8915873
2016	2240167098.174605
2017	2491197529.162703
2018	2859559763.9509053
2019	2730007075.5561924
2020	2577999373.2015157
2021	3384229757.847682
2022	3295979876.245641
2023	3574099988.1043787