Year	current US$
1960	1053900000.0000001
1961	1145700000
1962	1227800000
1963	1202200000
1964	1497700000
1965	1641900000
1966	1727100000
1967	1696000000
1968	1592500000
1969	2024650000
1970	2649110000
1971	2789230000
1972	3203360000
1973	4327340000
1974	6858990000
1975	7609110000
1976	7423740000
1977	7605490000
1978	7861400000
1979	11406750000
1980	15615180000
1981	14173630000
1982	13394700000
1983	12815430000
1984	12417070000
1985	13241750000
1986	15335900000
1987	19823710000
1988	21145130000
1989	24432234425
1990	26943931687
1991	21816111059
1992	21082550946
1993	18057838359
1994	23212650490
1995	28113107164
1996	29263078778
1997	29783566906
1998	31298792248
1999	32414071400
2000	34315315436.999996
2001	32653864974
2002	34202420000
2003	42510204114
2004	51452214635
2005	58692156688
2006	69448839583
2007	81757379080
2008	92108116294
2009	60887893795
2010	68769924860
2011	84248929526
2012	76557602737
2013	77588946158
2014	76765164428
2015	60429993825
2016	60840859075
2017	70586645802
2018	78624082804
2019	73715493815
2020	68242741811.99999