Year	current US$
1960	630910000
1961	1244460000
1962	1461540000
1963	1732540000
1964	1995170000
1965	1637380000
1966	1494770000
1967	1759890000
1968	323870000
1969	286000000
1970	1428440000
1971	4428039575.32277
1972	6188645514.49937
1973	4267674468.35475
1974	4525870856.52196
1975	8457031257.77321
1976	5619869260.54405
1977	5872089015.57029
1978	9278084240.04415
1979	17579258607.4209
1980	27340321253.4785
1981	22261750869.8067
1982	16530648541.0705
1983	19851011413.6984
1984	20939510661.5802
1985	26588573813.7083
1986	31453846146.3188
1987	33049483266.8927
1988	25364490438.8314
1989	24611054642.9416
1990	36777716876.9828
1991	31284003890.7723
1992	27028313666.1763
1993	22648736208.6591
1994	26257268981.3037
1995	26853225672.1885
1996	26796028358.8331
1997	30927488433.2499
1998	44311701136.6276
1999	39701489608.0092
2000	37039189717.5087
2001	31749101763.961
2002	28365346067.4323
2003	30186488584.2419
2004	35314031954.9503
2005	27752841215.4761
2006	42651647646.8086
2007	45709707996.8774
2008	33617482930.1334
2009	46633492570.7271
2010	55800028354.6885
2011	48611455550.5893
2012	54230620611.7497
2013	50848754565.1619
2014	49547304333.4337
2015	55192504338.294
2016	56124910270.1827
2017	54780551109.2472
2018	66103290546.7897
2019	69725075295.4885
2020	76114119267.7113
2021	101702799897.895
2022	100428870442.022
2023	79200905384.2542