Year	current US$
1990	362393518.16228163
1991	441144093.2432599
1992	315604464.12199026
1993	290603382.05693555
1994	340524894.61122227
1995	389481386.18453836
1996	543268407.0374851
1997	689174144.0643009
1998	704180809.0474712
1999	640836479.0448674
2000	736327701.8248484
2001	776995075.4282221
2002	811422417.7945907
2003	891606436.1239481
2004	1021572701.4888302
2005	1348874011.8594568
2006	1477173523.549666
2007	1753401928.4163184
2008	2173722419.91767
2009	2274553824.3933206
2010	2415433982.0730886
2011	2507795467.857873
2012	2949235233.7206426
2013	3422220105.6914682
2014	3879081736.6777873
2015	3952233622.5431886
2016	4105826092.8451333
2017	4391363572.643876
2018	4492369206.035005
2019	4821935869.734834
2020	8868522340.388023
2021	10855132133.517689
2022	13195967969.174534
2023	15524964605.12882