Year	current US$
1960	717453721.4455566
1961	733397167.5450572
1962	773490218.875201
1963	813592844.7294544
1964	855631373.7325453
1965	890146216.5742364
1966	953410367.7087172
1967	994595319.8867342
1968	1083663291.513573
1969	1109236215.9890916
1970	1138823607.0426111
1971	1278447353.3109043
1972	1396060758.0947835
1973	1729614950.4638724
1974	2007267851.0409582
1975	2397899273.855695
1976	2233356205.6615415
1977	2443947001.9283314
1978	2854137196.162283
1979	4011218031.3696113
1980	5666635486.855398
1981	5033172284.636595
1982	4998044024.563425
1983	4826642496.83839
1984	3974883051.070897
1985	3903314742.244831
1986	4428533073.537545
1987	3272332325.3657794
1988	3295597962.5011578
1989	3209003934.8674955
1990	4192393233.4779525
1991	3378779513.011071
1992	3869706548.105033
1993	4276480053.24534
1994	3646185308.8871174
1995	3968623061.2459593
1996	5022249082.66058
1997	4458544420.000729
1998	4600383499.584394
1999	4458909242.21507
2000	4839312524.4809065
2001	5486985407.385574
2002	5702267188.982787
2003	6795777935.727895
2004	5564154209.690492
2005	6473984065.4865885
2006	6851663561.9553
2007	9471733640.35489
2008	12756795300.894722
2009	11699899485.270576
2010	11392882157.850666
2011	12827582678.091518
2012	12631545256.445572
2013	13643954958.534643
2014	13199901348.372938
2015	11825662351.03311
2016	12162551229.169214
2017	13642509622.766846
2018	14630537866.627817
2019	15329920581.929615
2020	14802664934.90481
2021	15851360167.592447
2022	16657873982.522049
2023	17078791267.045982