Year	current US$
1962	263103680.06921571
1963	275136339.4869171
1964	301780825.6211822
1965	341856047.53517246
1966	379457198.1591874
1967	419421810.43841755
1968	472270294.79422
1969	543809599.2617366
1970	624590707.5779839
1971	687257181.5255767
1972	795401334.582386
1973	1043694602.9775492
1974	1344360817.2870522
1975	1540427421.9786851
1976	1510365497.215465
1977	1568009470.883821
1978	1921639515.4501126
1979	2237714002.866966
1980	2531594671.9404225
1981	2624554785.153553
1982	2453864388.078997
1983	2358001903.2608695
1984	2392999405.951936
1985	2470148234.656134
1986	2679665023.347479
1987	2954443626.776423
1988	3491044468.163662
1989	3603582097.9152985
1990	3425628755.950432
1991	3718911928.819133
1992	4041379281.1986876
1993	4830223019.348121
1994	5203064645.52492
1995	4904294958.070819
1996	4953737649.641389
1997	4622006029.599726
1998	4002939695.9148307
1999	3600895190.1544943
2000	3320882973.2978168
2001	3035980507.001323
2002	2908547302.0521894
2003	2917633296.644805
2004	3409345826.875041
2005	4250697943.908964
2006	5267289140.954151
2007	7265743675.769938
2008	9751031192.315117
2009	10817520581.613155
2010	12699251096.963066
2011	13608687314.184729
2012	17349352313.242996
2013	19432826991.811947
2014	23770125366.374672
2015	22041491260.28793
2016	21626239888.984283
2017	21221728245.71828
2018	21732555189.793293
2019	23231621089.456936
2020	23628246434.487194
2021	24132187982.659958
2022	27408412061.398003
2023	29337875917.864998