Year	current US$
1994	2490659450.5494504
1995	3526098983.5164833
1996	3604120769.230769
1997	4085989010.989011
1998	4098351648.3516483
1999	3184065934.065934
2000	3965659340.6593404
2001	5099450549.450549
2002	5446428571.428572
2003	6699450549.450549
2004	8315659340.65934
2005	13207967032.967033
2006	21767307692.30769
2007	28566208791.20879
2008	32356868131.86813
2009	28370604395.604393
2010	29717307692.30769
2011	43792582417.58241
2012	54693406593.40659
2013	58953296703.2967
2014	64004395604.3956
2015	59271428571.428566
2016	63475274725.27473
2017	62192582417.58241
2018	65810989010.989006
2019	66769780219.78022
2020	59064560439.56044
2021	61204395604.3956
2022	74520054945.05495