Year	current US$
1965	322666666.66666657
1966	341904761.9047619
1967	346095238.0952381
1968	400952380.95238096
1969	411619047.6190476
1970	264761904.76190475
1971	357035628.9812724
1972	521921762.0414058
1973	571400108.160419
1974	1027014396.0706333
1975	1131835323.305168
1976	1159815754.1834295
1977	1129836829.83683
1978	1371791883.62476
1979	1900792694.027978
1980	2098295875.524821
1981	2011121821.6134336
1982	1724094148.0005486
1983	2099394932.2816217
1984	2025145687.6831958
1985	2029608290.513076
1986	1756736844.6240628
1987	2181227086.5564003
1988	2127292481.7324238
1989	2080539669.9325097
1990	2460681818.181818
1991	2750108695.652174
1992	3450233087.186932
1993	3172827280.317054
1994	3393096166.8877783
1995	3749497726.5517607
1996	4605365889.7399645
1997	4602824104.717572
1998	4791674899.558717
1999	5201964214.20894
2000	4878808593.963738
2001	4911959508.254948
2002	4637157609.762168
2003	5463274705.112622
2004	6477650551.961633
2005	6871645780.55283
2006	7413534681.918071
2007	8480846102.338301
2008	10091288179.44685
2009	9278406250.578587
2010	10033411205.812487
2011	8200203511.478686
2012	7745785368.002397
2013	7059147217.445148
2014	6863033266.084497
2015	5168571974.76582
2016	4424000934.80873
2017	3763910846.585449
2018	4295720185.411658
2019	3927095967.0914283
2020	1843506409.9236298
2021	2502981785.0774403
2022	1226158652.452575
2023	661978177.6046864