Year	current US$
1970	207549592346.33755
1971	231407816654.98282
1972	276466527309.01025
1973	380511539532.5449
1974	516244339861.947
1975	540166029955.5832
1976	603680828228.087
1977	681697283746.3503
1978	792745613702.1351
1979	1028372033611.1881
1980	1236288261772.2603
1981	1116766416290.1516
1982	1070292715962.2067
1983	1025384708930.2928
1984	1034031832876.3489
1985	1073429363474.4789
1986	1300035123367.1638
1987	1592054319707.2527
1988	1799054509633.3071
1989	1929219624455.923
1990	2290710484420.07
1991	2273237124407.4966
1992	2589184738340.7905
1993	2250712540740.1313
1994	2431411974873.998
1995	2931193808471.1855
1996	3009111504047.4263
1997	3017717058321.073
1998	3153526400781.7783
1999	3188651523716.1733
2000	3350496651156.347
2001	3349824243042.913
2002	3529011299258.277
2003	4245845050651.9253
2004	5121003081842.231
2005	5690499182518.32
2006	6529804696298.57
2007	7729675590902.512
2008	8734219091269.846
2009	6808091750598.47
2010	7620864130339.237
2011	8954649861188.607
2012	8581739021824.436
2013	8903948267879.682
2014	9051511794977.074
2015	7904340887530.702
2016	7943290349932.94
2017	8752087482569.035
2018	9637948707892.303
2019	9606835663974.848
2020	8731900323591.059
2021	10655725301450.588
2022	12057913567461.16
2023	12003304860880.129