Year	current US$
1995	357301402.5221529
1996	439878195.1626342
1997	429673130.5311535
1998	552004823.6358155
1999	552527388.9418873
2000	611951052.5551045
2001	660909327.5534877
2002	730063156.5169017
2003	826972570.7401762
2004	1004572589.8640925
2005	1431497527.6488726
2006	2105756756.3343077
2007	3452193013.093658
2008	4647149933.291417
2009	3504231349.656545
2010	2854804056.271768
2011	3109708309.4625726
2012	3729047436.143653
2013	4082092348.293484
2014	4398983828.257991
2015	4622926049.1988325
2016	4706604334.597611
2017	4953331725.954372
2018	5203617370.9906845
2019	5408001000.634368
2020	5677117758.108618
2021	6819168935.01989
2022	7316493715.14269