Year	current US$
1990	68625000
1991	119583333.33333334
1992	105775000
1993	94166666.66666666
1994	103496503.49650349
1995	121841563.78600822
1996	125965556.29320107
1997	135722310.24053
1998	144798428.2604927
1999	92728824.20018193
2000	95466624.1942109
2001	110565698.89254715
2002	139677920.3514371
2003	178215148.63083908
2004	223931744.13426155
2005	266659702.8208038
2006	353697989.4353832
2007	513390182.72920567
2008	675149021.4846416
2009	516332841.60108864
2010	491303449.869454
2011	684112077.9970467
2012	866896110.0494274
2013	1020179194.215854
2014	1042439324.9062355
2015	786930517.3823978
2016	894412291.7983342
2017	1006729409.3566426
2018	1170334478.3987057
2019	1191988479.5027964
2020	846647587.8367668
2021	1184208726.1392617
2022	1673832822.6946368
2023	2366602187.7632074