Year	current US$
1961	17997781380.94185
1962	18406863420.609863
1963	20496215985.03837
1964	22487820597.363342
1965	24845538173.07322
1966	26229532100.86194
1967	28582542272.74648
1968	32167435938.87083
1969	36135389637.03373
1970	40246771628.61489
1971	46317284331.49743
1972	56953771796.572174
1973	75068729688.70766
1974	117925412751.60056
1975	135497916225.55753
1976	165340415465.3724
1977	190382818556.35925
1978	203191481942.77347
1979	255089766984.32153
1980	302597048866.81476
1981	287093460643.4122
1982	319730820505.7875
1983	356445683065.73944
1984	371821981415.66986
1985	400573554957.6844
1986	432695260534.55554
1987	374896022248.67126
1988	356325610009.66394
1989	356967307659.8308
1990	497961018166.77466
1991	250700930116.58154
1992	275303080439.39655
1993	285328645724.69934
1994	302894669571.6609
1995	335974011110.2219
1996	376157167892.59076
1997	394821442729.42474
1998	406958674044.0136
1999	438954747586.52826
2000	466147166779.8612
2001	473707980798.26483
2002	456360484295.02655
2003	500140353235.84125
2004	595174202262.1942
2005	696376365942.895
2006	820935667836.6232
2007	1014898696915.5795
2008	1259496875736.7903
2009	1216762518314.3357
2010	1401166736461.9097
2011	1636695309400.0583
2012	1770754209225.5696
2013	1628855558786.3867
2014	1609084506098.383
2015	1447390100609.0603
2016	1488233701873.1543
2017	1487917386112.447
2018	1409097909150.523
2019	1417184096055.051
2020	1306377624226.6653
2021	1514655101442.2654
2022	1737829871634.8691
2023	1625074071434.0383