Year	current US$
2008	890783653.1419364
2009	964444290.080578
2010	1157989630.2443693
2011	1582361980.6963673
2012	1511407640.382456
2013	1549385413.2771983
2014	1664384744.5558026
2015	1413505662.9564538
2016	1592308569.3159666
2017	1962420046.859149
2018	2289052674.093293
2019	2315619066.3848386
2020	1674245989.9142425
2021	3144941251.063135
2022	3613392770.759983
2023	4148880189.464805