Year	current US$
1962	322865079.36507934
1963	346468253.96825397
1964	368428571.4285714
1965	380206349.2063492
1966	405730158.73015875
1967	428000000
1968	458404761.9047619
1969	492809523.8095238
1970	514198412.6984127
1971	584849206.3492063
1972	653801587.3015873
1973	799246031.7460318
1974	1075553380.3174603
1975	1217396825.3968253
1976	1337976190.4761906
1977	1638214285.7142856
1978	1958261904.7619047
1979	2628658730.15873
1980	3444666666.6666665
1981	4386500000
1982	4443316176.470589
1983	4845199272.260274
1984	3695512423.840788
1985	2602050465.395961
1986	2817588396.984925
1987	3069457797.3053894
1988	2893412564.642857
1989	2871486367.638705
1990	4013402621.889738
1991	4773556939.631754
1992	5105853691.661668
1993	5371507902.941008
1994	6062627775.152775
1995	6569428035.170299
1996	7382877632.304394
1997	7581198305.492547
1998	6687418021.412146
1999	6450956307.168483
2000	6610220033.9610195
2001	6231906572.226024
2002	4777720640.436229
2003	5092533175.656955
2004	6608199500.80173
2005	7401530144.805283
2006	9427053882.491299
2007	12664952424.300228
2008	18129770574.535976
2009	16929892150.440142
2010	19939397889.059055
2011	24761157956.846233
2012	25788968828.458385
2013	28462168982.840683
2014	30483759761.37466
2015	27363928585.009155
2016	26586082339.770267
2017	28913065492.286037
2018	30402672118.492046
2019	29339901963.636547
2020	26991348565.83218
2021	29871272154.092197
2022	32434928410.46433
2023	33628370668.523285