Year	current US$
1960	390983446.5873002
1961	361353821.4321583
1962	346927113.8779868
1963	379407828.45370746
1964	409587825.74698126
1965	465645283.0188679
1966	481690566.0377358
1967	520015094.3396226
1968	574626415.0943396
1969	621856603.773585
1970	725252830.1886792
1971	776657063.3458464
1972	866330067.8221552
1973	1041740951.0019772
1974	1232332912.9886508
1975	1404434072.3453908
1976	1600676779.4632437
1977	2003663943.9906652
1978	2381761960.326721
1979	2699941656.942824
1980	3166814469.0781794
1981	1578053324.8285084
1982	1507667069.0815625
1983	1934111476.2102368
1984	2241872559.0820565
1985	2355928712.8712873
1986	2587473118.27957
1987	2811454516.4887686
1988	2847256894.0493464
1989	3167585994.3286896
1990	3508229189.4253874
1991	5255633143.837295
1992	6250824129.5969305
1993	7041233695.318491
1994	7567198018.533112
1995	8226292190.61404
1996	8550915603.967069
1997	9046770030.524506
1998	9403864023.095766
1999	9701288128.675442
2000	9946494019.273825
2001	10452222297.564386
2002	11172382758.04569
2003	11834915184.11679
2004	12643068965.35976
2005	13991693642.127731
2006	15659139862.10269
2007	18604288963.261845
2008	21746147879.390903
2009	20382461142.472595
2010	24628221105.890785
2011	28515902113.228336
2012	31693225507.067627
2013	33709555573.888992
2014	34450964377.508286
2015	36658055559.748985
2016	37697792399.498085
2017	39410189675.096306
2018	40512388657.15023
2019	41417084055.71639
2020	38971739538.66079
2021	41130757470.963524
2022	44911203737.914566
2023	56600633077.49054