Year	current US$
1960	-10000000
1961	-18000000
1962	7000000
1963	8000000
1964	17000000
1965	31989999.7711182
1966	32700000.7629395
1967	28350000.3814697
1968	24290000.915527303
1969	19000000
1970	20000000
1971	16000000
1972	10000000
1973	18000000
1974	10000000
1975	12000000
1976	12000000
1977	15000000
1978	41000000
1979	45000000
1980	53000000
1981	69000000
1982	47000000
1983	89000000
1984	114000000
1985	177000000
1986	95000000
1987	63000000
1988	61000000
1989	36000000
1990	79000000
1991	82000000
1992	32000000
1993	100000000
1994	85000000
1995	81000000
1996	51000000
1997	119000000
1998	120959999.084473
1999	123980003.35693401
2000	92339996.3378906
2001	161630004.882813
2002	143619995.117188
2003	204360000.61035198
2004	177910003.66210902
2005	155190002.44140598
2006	187259994.506836
2007	94080001.8310547
2008	94000000
2009	104389999.38964799
2010	87029998.7792969
2011	94629997.253418
2012	101889999.38964799
2013	105260002.13623
2014	118680000.30517599
2015	134589996.33789098
2016	111639999.38964799
2017	100769996.64306599
2018	84110000.6103516
2019	108330001.831055
2020	140720001.220703
2021	170240005.493164
2022	186619995.117188