Year	current US$
1960	614206068.4972658
1961	652777608.3204924
1962	694247864.3788999
1963	718320845.0443375
1964	776650176.9044532
1965	814083265.5114259
1966	851112534.5526356
1967	936175260.0309191
1968	1046191217.7994169
1969	1100551488.6268868
1970	1151216992.8809454
1971	1236941394.114466
1972	1498251889.6628742
1973	1901393361.0228183
1974	2157415532.5479603
1975	2857037371.058858
1976	2898090001.8562007
1977	3394664024.055029
1978	4662852583.132564
1979	5919002982.601996
1980	6674569046.683197
1981	6610938616.664299
1982	6611255963.835844
1983	6870200009.900646
1984	7311938026.367127
1985	8544810497.988902
1986	11857056199.076525
1987	13049659981.137337
1988	12236057362.491734
1989	11012566195.02554
1990	12314482627.84536
1991	11840192296.38931
1992	12071775335.04334
1993	16181814712.529512
1994	8902446252.183718
1995	10864772470.904276
1996	11093538846.448252
1997	10789458432.641554
1998	11298144990.410444
1999	11565826458.893816
2000	10566579294.515879
2001	10953485345.222004
2002	12417251341.602757
2003	15970315030.239712
2004	18826214125.231678
2005	19509852219.89974
2006	20910512979.12774
2007	23928250409.221233
2008	27715142006.01808
2009	27932970296.85164
2010	27507501808.637745
2011	30630910513.488373
2012	30155062302.449677
2013	33728621190.416393
2014	36386544715.27016
2015	32210233021.404896
2016	33814337040.781666
2017	36098547058.785095
2018	39955552189.79499
2019	39667757527.65778
2020	40773241177.05051
2021	44993521774.06597
2022	43644068310.85101
2023	47945510090.05286