Year	current US$
1960	35588456597.22433
1961	35739125536.50272
1962	35285985869.50002
1963	37222025096.76904
1964	41505327799.11204
1965	43941806401.440865
1966	47414214367.55706
1967	48593265551.34136
1968	50712831552.2484
1969	54341991987.88505
1970	61239100646.78511
1971	68353163810.60117
1972	77930966875.79309
1973	105264333229.03375
1974	166953636791.36148
1975	199007331440.88455
1976	204404723743.4481
1977	233840137651.07327
1978	269753771951.02313
1979	309981721081.69476
1980	423200994039.0119
1981	464396035250.634
1982	409592827486.4296
1983	376073929582.7261
1984	378119184624.80963
1985	375191794403.1082
1986	372863315756.4011
1987	406603866915.897
1988	477235132173.2703
1989	513614234586.1992
1990	547241055310.8432
1991	599670847195.6389
1992	679029607293.4419
1993	738406101097.8176
1994	836969511283.9648
1995	1012989351528.0269
1996	1105505403705.6885
1997	1189564535575.328
1998	1125909258186.6545
1999	1125835815980.7913
2000	1330155050864.9153
2001	1339068721329.9495
2002	1426744630323.945
2003	1714009291298.3865
2004	2226385519252.7686
2005	2679102052708.8203
2006	3182210179062.779
2007	3888998543242.4834
2008	4823317130419.099
2009	3824120926027.361
2010	4947797892064.855
2011	6123880169418.389
2012	6376080667550.036
2013	6609027537806.644
2014	6579282034398.45
2015	5658429928877.893
2016	5341778824205.937
2017	6135050574888.418
2018	6902211735315.989
2019	6747239239721.593
2020	6161837984001.886
2021	8105479525316.916
2022	9097676745171.322
2023	8653635681464.902