Year	current US$
1960	13000000
1961	23000000
1962	29000000
1963	44000000
1964	33000000
1965	29280000.6866455
1966	21239999.7711182
1967	24329999.9237061
1968	37759998.3215332
1969	25000000
1970	20000000
1971	20000000
1972	38000000
1973	11000000
1974	24000000
1975	11000000
1976	17000000
1977	23000000
1978	45000000
1979	46000000
1980	40000000
1981	23000000
1982	30000000
1983	59000000
1984	36000000
1985	65000000
1986	103000000
1987	77000000
1988	70000000
1989	69000000
1990	84000000
1991	81000000
1992	133000000
1993	101000000
1994	89000000
1995	89000000
1996	94000000
1997	163000000
1998	92309997.55859381
1999	112910003.662109
2000	97370002.746582
2001	119050003.05175799
2002	127699996.94824201
2003	248320007.32421902
2004	137559997.55859402
2005	139610000.61035198
2006	193089996.33789098
2007	122389999.38964799
2008	123819999.69482401
2009	101550003.05175799
2010	60330001.8310547
2011	59069999.6948242
2012	50880001.0681152
2013	26629999.1607666
2014	34750000
2015	2160000.08583069
2016	2259999.99046326
2017	2329999.92370605
2018	860000.014305115
2019	1370000.00476837
2020	6869999.88555908
2021	8390000.34332275
2022	5000000