Year	current US$
1960	5617690537.606363
1961	5679661751.479571
1962	5545390788.087619
1963	6021536281.346771
1964	7093638281.353281
1965	7873442722.591157
1966	7736073198.505545
1967	8255598541.475943
1968	8542731832.421809
1969	9367981830.500038
1970	11186836957.67871
1971	13077991834.376127
1972	12850764050.174362
1973	16477112915.321619
1974	23664740871.049263
1975	28869289982.834232
1976	29706934223.6871
1977	34603692973.23513
1978	41277992707.3797
1979	42124932630.31355
1980	67027032071.69788
1981	73955929060.16972
1982	61498527268.94532
1983	52642568859.69024
1984	48016200762.0858
1985	43322857386.03392
1986	42363893171.90008
1987	47706693793.50292
1988	53363060491.47334
1989	54199236695.12022
1990	57819960839.066826
1991	59872854601.175575
1992	62563028285.48121
1993	60990955997.54708
1994	64114919927.870605
1995	78761023431.95525
1996	80053593779.09491
1997	86861534553.6081
1998	83106925450.01189
1999	79907284098.89565
2000	81979836396.33897
2001	86214744863.89966
2002	85095728068.44463
2003	110491052421.92738
2004	141295798813.67386
2005	173866351690.58383
2006	209186517522.96268
2007	254758451292.06213
2008	317279100221.8994
2009	267744696700.09305
2010	313365064018.4998
2011	391726510668.6695
2012	413822299475.5896
2013	433222963070.0116
2014	440151987717.7931
2015	379674629149.35925
2016	329485363679.6266
2017	336481993489.983
2018	379598951728.5665
2019	381578673056.5041
2020	315270116957.9218
2021	400360799864.9802
2022	482245897695.1379
2023	451117223364.85516