Year	current US$
1960	44649429012.77056
1961	50852331331.84046
1962	55778616945.27719
1963	59120694052.88626
1964	64922932942.152824
1965	70895332928.36644
1966	75413307277.34718
1967	76388105962.33708
1968	82577129005.22704
1969	93824205916.19327
1970	216937427456.84818
1971	250910911169.3526
1972	300633615285.5303
1973	399423448957.18994
1974	446478840601.61743
1975	492617843230.78143
1976	522284947957.12286
1977	602462989977.2593
1978	745553903602.7264
1979	884770610393.768
1980	954146081342.8018
1981	802340951103.4185
1982	777697777061.3364
1983	774212274990.425
1984	731281976496.4608
1985	738823376959.8724
1986	1052667199855.8948
1987	1304233981501.632
1988	1414781709544.4927
1989	1414249683761.5728
1990	1790871642658.274
1991	1875827877430.76
1992	2137944338134.0012
1993	2074905674908.3164
1994	2204518754971.677
1995	2582251944861.471
1996	2497603327268.001
1997	2207765621475.299
1998	2226180949205.2905
1999	2179762227596.1438
2000	1937024251730.2002
2001	1932123667212.6008
2002	2056434683769.8076
2003	2476230001432.936
2004	2831354282320.0845
2005	2870368808691.0493
2006	3045353242965.878
2007	3475319883354.913
2008	3780819607074.218
2009	3488175094524.2163
2010	3467862685333.34
2011	3845325104620.6304
2012	3611772218601.5635
2013	3820263805783.932
2014	3967012279025.084
2015	3434101056827.7324
2016	3555930677612.46
2017	3778789183700.0063
2018	4108434453701.958
2019	4034728306596.072
2020	3998734917350.984
2021	4443312883197.603
2022	4241258694941.651
2023	4634489258966.748