Year	constant 2015 US$
1960	19494380336.607742
1961	19672809297.855003
1962	20765845160.2003
1963	23126279578.254444
1964	27810531542.959873
1965	42945672218.85898
1966	46729070932.59409
1967	52091026579.103516
1968	57081970640.09095
1969	61125374925.20609
1970	65918914866.49684
1971	64115236111.32428
1972	72547366676.42784
1973	83406621469.26022
1974	90304949055.85399
1975	98845651886.45793
1976	98417176773.14235
1977	91363359643.27205
1978	106286164754.34431
1979	127424360324.10022
1980	149642870216.08926
1981	173929837067.61417
1982	144724632673.42468
1983	103793403500.0655
1984	110469361680.95041
1985	119143036964.34248
1986	105081271888.11996
1987	104952823070.94373
1988	111023719729.75192
1989	118118826672.75978
1990	133623950817.4562
1991	144724632672.96835
1992	160425810266.28937
1993	158431473392.42062
1994	179280255624.90015
1995	118512320857.18716
1996	140521988841.3822
1997	162213910259.84686
1998	179539183581.62775
1999	187716675086.38904
2000	196949494283.11575
2001	183455616675.33832
2002	182436664282.01114
2003	185627888061.37802
2004	197933783794.99432
2005	207723590376.6686
2006	227574925511.6351
2007	243503123931.74933
2008	259406332218.79114
2009	228470336545.79956
2010	242705611858.876
2011	263792121386.17505
2012	273641900287.03113
2013	262779379443.1184
2014	269081304153.47946
2015	281049750802.4064
2016	282626231215.75867
2017	281086482970.9596
2018	282861872979.03937
2019	270445563724.2746
2020	223669487970.88754
2021	245404624965.43524
2022	264314025869.52094
2023	315769784130.29224