Year	current US$
1960	3500000
1961	7900000
1962	4900000
1963	6200000
1964	9200000
1965	11800000
1966	13000000
1967	13000000
1968	24200000
1969	29880000
1970	30170000
1971	28360000
1972	64810000
1973	65250000
1974	67740000
1975	103550000
1976	112340000
1977	119030000
1978	173370000
1979	212630000
1980	252620000
1981	236950000
1982	252160000
1983	319920000
1984	285510000
1985	302510000
1986	421530000
1987	546690000
1988	616950000
1989	557660000
1990	749740000
1991	862820000
1992	1139130000
1993	793250000
1994	982280000
1995	1083570000
1996	1026420000.0000001
1997	910520000
1998	897620000
1999	983750000
2000	890370000
2001	908210000
2002	938870000
2003	1299490000
2004	1545440000
2005	1771590000
2006	1646440000
2007	1684870000
2008	2037630000
2009	2310070000
2010	2299950000
2011	3050950000
2012	3052130000
2013	3200120000
2014	3521940000
2015	3529330000
2016	3582470000
2017	3146600000
2018	3097060000
2019	3095450000
2020	3720820000
2021	3911360000
2022	4496380000