Year	current US$
1965	4073416000
1966	4567144000
1967	5088360000
1968	5780024000
1969	6504336000
1970	7828592000
1971	8633432000
1972	9846720000
1973	12003072000
1974	15662792000
1975	18566192000
1976	18491229093.737846
1977	17608470296.371773
1978	21874282953.39746
1979	28449896952.422714
1980	37711003877.826675
1981	47238456047.31797
1982	31306695684.550194
1983	27260266957.54992
1984	34108170269.56169
1985	37379349442.5239
1986	27284099657.879642
1987	30865171388.705276
1988	40138879308.258965
1989	44781520658.56502
1990	49992363291.03438
1991	59212439844.554955
1992	67325188423.01103
1993	108907372119.23032
1994	109104128834.64485
1995	80473814243.48753
1996	95995378216.94418
1997	117057239539.00128
1998	123894191707.96281
1999	134196324881.0353
2000	156163670933.01105
2001	159420361082.9062
2002	155901039337.5779
2003	144138250196.79733
2004	154432565503.69144
2005	165870193336.47278
2006	193840463401.03287
2007	201316313805.61398
2008	211111339398.8365
2009	164471319183.25967
2010	197187940368.5088
2011	217785972515.40952
2012	235961204857.4816
2013	240303264439.87753
2014	248735043727.83044
2015	240516474892.8069
2016	220987179851.24133
2017	240071149488.30786
2018	253639038217.05103
2019	258986052267.50323
2020	224323800843.80206
2021	273774746246.2279
2022	314401345780.74115
2023	360728189373.13995