Year	current US$
1970	661192275278.3607
1971	724779855687.7312
1972	850346470331.3035
1973	1080296254717.4968
1974	1227223368955.8787
1975	1213450096055.084
1976	1378255739190.3303
1977	1568199162785.4846
1978	1914890949554.718
1979	2260486265217.032
1980	2444763334162.902
1981	2415290401101.2876
1982	2273862875722.8765
1983	2328554979050.5728
1984	2555612881324.552
1985	2622082245786.7393
1986	3194284132367.225
1987	3741489584971.9556
1988	4361274120900.7563
1989	4622417184682.348
1990	5061979054258.883
1991	5220213530642.373
1992	5419099001524.935
1993	5293057704407.097
1994	5735118984284.26
1995	6428645176300.277
1996	6442063671244.359
1997	6316688624164.425
1998	6242825156892.329
1999	6558230289436.787
2000	6830426043921.398
2001	6462410186990.285
2002	6507541836838.986
2003	7294017090488.786
2004	8309302304379.129
2005	8986445758503.969
2006	9738312270276.248
2007	10779482657261.285
2008	11325035078325.318
2009	9133560687543.98
2010	10017007231076.004
2011	11191207286762.549
2012	11214666648426.541
2013	11325445005202.105
2014	11694146084420.373
2015	11083529880296.557
2016	11221792540746.424
2017	11994655242173.35
2018	12884749617569.818
2019	13148144207851.2
2020	12651628261840.703
2021	14336046608691.184
2022	15136232794832.53