Year	current US$
1960	-3051501.3577337554
1961	-3281964.0293608173
1962	-3426075.86240738
1963	-3674888.541242886
1964	-3130389.4409132544
1965	-2582594.153006843
1966	69736.660422911
1967	-418380.8660483927
1968	-6066962.529881533
1969	6545441.37860922
1970	8724005.95186582
1971	28072381.829308692
1972	45676398.88823904
1973	67784254.45964208
1974	73512422.05402096
1975	77078273.66302997
1976	66355016.58875415
1977	67996104.32799658
1978	117489799.63944034
1979	213924542.97938544
1980	282929653.5752195
1981	231733230.71260062
1982	232892184.90357506
1983	338856039.5140602
1984	400693791.3835238
1985	424216335.08833057
1986	566614373.3529735
1987	829094053.930424
1988	1326952818.2400846
1989	1517132979.2355497
1990	1615966107.416099
1991	1565748578.941875
1992	1535318584.1756628
1993	1525150892.9768994
1994	1411508784.2154176
1995	1443506924.266478
1996	1863698210.424954
1997	1825645762.2694216
1998	1581706058.8563802
1999	2187226653.432503
2000	2418087733.7410326
2001	2308857768.9515853
2002	2188899382.280581
2003	2960661770.944867
2004	3554446802.616719
2005	4214793050.2081423
2006	3864653568.4270105
2007	3957980794.292044
2008	3323975377.8385315
2009	2011681501.2196825
2010	3342644008.1694236
2011	4706577941.99174
2012	3083042722.849542
2013	3192334908.2999835
2014	4399107506.024622
2015	3025860233.6737947
2016	4649331107.7593775
2017	4683363104.048092
2018	4672594138.711124
2019	4031800913.8640347
2020	2290943958.760648
2021	4719144444.911447
2022	6408379360.40401
2023	5452426199.137402