Year	current US$
1995	3686804976.968408
1996	4705503120.750375
1997	5959291178.547613
1998	5418024007.870808
1999	4851549354.018387
2000	4276605585.931728
2001	4728378785.029152
2002	6358101614.138605
2003	9597628439.272097
2004	10887762260.813536
2005	11739134778.313847
2006	13929126906.000763
2007	16691985182.159935
2008	20232122423.52574
2009	14904511478.50126
2010	11807362677.279343
2011	11750908349.35293
2012	10171193361.179241
2013	10866396265.381065
2014	10559311651.338
2015	9824653309.02789
2016	10361032914.777557
2017	11589211367.94206
2018	13613069773.484186
2019	13481294724.020885
2020	13408507452.287428
2021	15229224752.01739
2022	18841032339.722935
2023	18179004836.653465