Year	current US$
1978	55400000
1979	65500000
1980	86820641.98410001
1981	96587543.443
1982	101468188.477
1983	108905197.5615
1984	116541491.702
1985	118458243.37
1986	127957179.545
1987	142682131.43400002
1988	159209633.29450002
1989	190645361.7635
1990	288998493.92000246
1991	321428434.93865305
1992	383540697.1238675
1993	414540026.8879775
1994	436726087.97113997
1995	460330319.0798165
1996	474229064.08620703
1997	498024554.0181805
1998	532726133.208565
1999	588626724.866
2000	648191312.54098
2001	690505382.5707849
2002	743194775.184325
2003	800230906.571795
2004	856089744.17183
2005	916080156.968245
2006	956241918.630115
2007	1019925177.55694
2008	1043564743.15676
2009	1034061015.4951601
2010	1071172991.6764901
2011	1107995200.76151
2012	1175268156.29556
2013	1254056472.953475
2014	1311147848.123585
2015	1358135257.09149
2016	1379489800.09397
2017	1410970126.017005
2018	1458202191.9803152
2019	1524359743.572665
2020	1250649024.90854
2021	1473489238.2883
2022	1738274938.974125
2023	2066500000