Year	current US$
1960	122820301652.79385
1961	128232638215.08405
1962	133930962084.34662
1963	146808959806.1782
1964	165018960577.1055
1965	178966005705.2628
1966	195894150923.93228
1967	206817401484.70688
1968	229949627436.86426
1969	262557408053.41522
1970	301911552140.171
1971	338151825158.8812
1972	400202081803.1989
1973	555695237869.0022
1974	815264535332.8237
1975	845109489991.9204
1976	956922062123.7208
1977	1086056743595.3679
1978	1258985512344.6555
1979	1604759528514.8936
1980	1973493343687.7273
1981	1952139078070.5786
1982	1808556096304.691
1983	1759673803671.6936
1984	1876108271027.1943
1985	1896146536595.5464
1986	2067437145708.8816
1987	2436803016878.3223
1988	2795214506801.639
1989	3032855884283.928
1990	3462443143400.2603
1991	3547839600938.8315
1992	3804563436300.437
1993	3811136506734.7773
1994	4344912870081.038
1995	5183909457773.052
1996	5433333399891.682
1997	5629114452499.216
1998	5528695994888.477
1999	5748963977325.951
2000	6487103803782.717
2001	6227378141797.36
2002	6533782428629.231
2003	7630280525250.053
2004	9270733236756.148
2005	10583647381877.893
2006	12211539981556.93
2007	14127160352975.102
2008	16285724069891.33
2009	12659831524969.445
2010	15378871176412.59
2011	18430074939082.188
2012	18604497034532.324
2013	19054937532366.445
2014	19096672049631.81
2015	16641089236332.441
2016	16120545822019.023
2017	17829512586820.035
2018	19650150850897.973
2019	19112161725162.836
2020	17739849440919.773
2021	22429466857010.184
2022	25040370809257.906
2023	23900405583713.01