Year	constant 2021 US$
1960	1536600
1961	42456025
1962	32302245.999999996
1963	56993047
1964	86782591
1965	135533122
1966	151307311
1967	175720109
1968	185668636
1969	156787220
1970	109639503
1971	115076707
1972	143670104
1973	254965326
1974	329672927
1975	382890930
1976	234787947
1977	447066290
1978	527788687
1979	397542595
1980	493397487
1981	703152392
1982	766102846
1983	521877933
1984	636131712
1985	876455939
1986	499886915
1987	411054609
1988	592567887
1989	578081267
1990	286945011
1991	497454280
1992	314115290
1993	326666077
1994	490906445
1995	816156218
1996	720298307
1997	770513597
1998	721982370
1999	805839827
2000	821077686
2001	1193591315
2002	921341709
2003	736224097
2004	883761018
2005	2000508634
2006	1851994582
2007	2005757344
2008	1769649036
2009	1198784706
2010	1322424786
2011	1137767643
2012	1200265872
2013	1211580371
2014	1250712208
2015	1568195868
2016	1908630149
2017	1418508717
2018	1239609258
2019	1355169288
2020	1397869238
2021	1492150000
2022	1979061033