Year	current US$
1970	603659053180.3073
1971	686006137958.1018
1972	971144232879.3792
1973	1207013702775.834
1974	1348576138346.556
1975	1471363111208.1177
1976	1602955903931.437
1977	1851740435226.8152
1978	2245270760813.106
1979	2605784255116.3525
1980	2905763969924.683
1981	2939928932286.145
1982	2822875090717.738
1983	2876739633083.6455
1984	3006173821711.6304
1985	3143750891317.1733
1986	3759537678693.497
1987	4311890320344.806
1988	4946264729236.399
1989	5198923644526.575
1990	5717433562214.932
1991	5836841734303.919
1992	6144352657729.755
1993	6171740965720.16
1994	6653094277206.238
1995	7419267238838.959
1996	7600551201594.487
1997	7479726964110.242
1998	7427429940486.564
1999	7749941249974.788
2000	8078988483056.009
2001	7874262648182.619
2002	7938670798119.129
2003	8935990112528.074
2004	10230422880501.059
2005	11307630045124.098
2006	12447262000042.145
2007	14181114051899.822
2008	15595031533078.236
2009	14333283597176.182
2010	15635999592586.322
2011	17750368936363.02
2012	18507991263020.35
2013	19163417958161.934
2014	19858063060374.016
2015	18925831544748.703
2016	19155524331224.277
2017	20591855510970.06
2018	22295702495791.633
2019	22817609257260.14
2020	22290969733262.98
2021	25537858949276.21
2022	26429571549494.324