Year	current US$
1960	651862341.6527812
1961	749063235.4533384
1962	769066053.6398468
1963	813183101.2962074
1964	952062634.6153846
1965	1172206879.8076923
1966	1627740432.6923077
1967	1523509519.2307692
1968	1580095966.3461537
1969	1860625028.8461537
1970	1328461514.4230769
1971	1485625024.0384614
1972	1630911125.171989
1973	2509711135.294462
1974	3091027618.363451
1975	2979399575.1270566
1976	3471845504.8976955
1977	4348605857.529248
1978	5833664975.044628
1979	6272314404.629115
1980	7201672763.699669
1981	7650257696.417987
1982	8539566048.275583
1983	8819608035.889906
1984	9688626591.513506
1985	9433818966.881817
1986	11143021420.33941
1987	14447301238.170221
1988	20482663271.32597
1989	25275460607.299515
1990	29048135347.331223
1991	35170799616.487885
1992	39378306577.82512
1993	47739674989.47752
1994	54004317781.60054
1995	63392367768.1426
1996	67186374860.15194
1997	52436248128.208305
1998	40082460603.19995
1999	42107803593.49543
2000	40812426207.817184
2001	36717741082.42052
2002	41861767352.730675
2003	47881869079.32644
2004	53617466778.163376
2005	57754413026.511856
2006	71065947102.08281
2007	88153225687.0662
2008	93296908643.18729
2009	87201181457.94229
2010	109234211452.7671
2011	114572890953.75458
2012	120772733935.22112
2013	130657629099.19157
2014	124187184090.50934
2015	126545340233.91982
2016	136929101205.63911
2017	158678609023.48572
2018	177047353367.32092
2019	185261272640.47348
2020	145922241214.70178
2021	149523788794.685
2022	137383507218.7648
2023	132241742035.24957