Year	current US$
1960	164000000
1963	209900000
1964	191600000
1965	177300000
1966	171000000
1967	170000000
1968	168700000
1969	155700000
1970	159700000
1971	176500000
1972	187600000
1973	182100000
1974	285900000
1975	270800000
1976	285500000
1977	265399999.99999997
1978	328600000
1979	347200000
1980	380300000
1981	366700000
1982	388000000
1983	391400000
1984	344600000
1985	356900000
1986	372800000
1987	411200000
1988	400200000
1989	429300000
1990	434100000
1991	449300000
1992	420000000
1993	411300000
1994	369200000
1995	318400000
1996	375700000
1997	466000000
1998	436700000
1999	335900000
2000	407300000
2001	406800000
2002	382200000
2003	421400000
2004	503300000
2005	499267400
2006	515646899.99999994
2007	430227200
2008	518709200
2009	567100000
2010	822000000
2011	795000000
2012	816400000
2013	846700000
2014	867100000
2015	854900000
2016	840600000
2017	846883702.6900489
2018	714700000
2019	717300000
2020	681700000
2021	716300000
2022	756700000
2023	817800000