Year	current US$
1990	120327757.976863
1991	125274499.319168
1992	159813577.561278
1993	171068686.705629
1994	190221478.672458
1995	207905120.662425
1996	220772983.680072
1997	237911163.777432
1998	250281971.137827
1999	259697239.833567
2000	301997415.167547
2001	315361164.881465
2002	339977110.707447
2003	363732991.426642
2004	409920056.809035
2005	462300332.190819
2006	494644822.600555
2007	543136007.031962
2008	537023177.130562
2009	570577070.288202
2010	577280522.205216
2011	619237322.310503
2012	749409596.866293
2013	769344163.325499
2014	860287814.56054
2015	880100029.145018
2016	891324766.356829
2017	978456962.99047
2018	970849343.938786
2019	1004384784.49218
2020	1020943763.4601
2021	1111731702.35019