Year	current US$
1970	31560130073.20975
1971	34573357809.65203
1972	40191715348.57641
1973	48821362861.257195
1974	64902425209.266846
1975	84938381262.38235
1976	96185473113.47054
1977	125822904108.13065
1978	145964096857.95407
1979	180055644988.4077
1980	213700190871.9347
1981	239387685706.81332
1982	277389339201.50726
1983	309042235025.81226
1984	325315549186.29047
1985	347443705754.62427
1986	387685332026.1572
1987	335547169610.8018
1988	342320111238.5365
1989	359610441047.6399
1990	413380545963.59393
1991	314694864544.4414
1992	337032542812.3234
1993	363673971966.1518
1994	379970052510.8969
1995	409894801665.2615
1996	440839852920.4611
1997	461286825587.6543
1998	475096384375.1855
1999	477557981009.9076
2000	485304769625.7366
2001	498178302794.4422
2002	494336116761.6499
2003	528888993435.8701
2004	597414591325.1224
2005	663380911220.2457
2006	765209255351.4209
2007	935893288381.444
2008	1131656532778.5286
2009	1154695429907.99
2010	1237868634295.1519
2011	1396687249091.174
2012	1537533235011.5808
2013	1533578231912.2283
2014	1626623105160.9128
2015	1616572162966.948
2016	1669690998340.0344
2017	1680660182383.4624
2018	1667342518002.6272
2019	1733293530115.331
2020	1674774463306.3674
2021	1869801432113.4634
2022	2028597746741.6982
2023	1980946121890.6494