Year	current US$
1960	-12935699.13235294
1961	33381985.61554622
1962	-2832364.787860082
1963	26875258.06722689
1964	2664474.797310924
1965	-6302521.008403362
1966	1680672.268907563
1967	2263374.4855967076
1968	22186944.013445374
1969	-3865546.218487395
1970	38655462.184873946
1971	43507588.532883644
1972	72361809.04522613
1973	5468750
1974	114736842.10526316
1975	62910128.38801712
1976	35790725.32699168
1977	25253664.036076665
1978	2114029.468289558
1979	18047527.29608221
1980	98003629.76406533
1981	17194805.194805194
1982	11917347.429120615
1983	-8924776.880577985
1984	5896226.415094339
1985	8284241.531664212
1986	4889364.739471806
1987	5027173.9130434785
1988	18893429.73907576
1989	13120665.742024966
1990	25911133.300049923
1991	22963500.12086053
1992	73009354.3235227
1993	37251655.62913907
1994	45528126.26467017
1995	18536585.36585366
1996	49846209.51691695
1997	3898960.840820478
1998	2715283.1652443754
1999	1344845.6964892412
2000	519413.06323854043
2001	447627.5738585497
2002	531779982.22872674
2003	374243680.06630754
2004	540498072.9321079
2005	843343283.5820895
2006	878896087.2677895
2007	1045277713.0460471
2008	922500956.6038983
2009	295872497.31899536
2015	4757051334.590534
2016	4764959971.917343
2017	6494033656.311522
2018	5994653629.065718
2019	4637416273.496996
2020	5698745531.880042
2021	8765085078.155384
2022	3248347099.0347886
2023	6090847001.417567