Year	current US$
1970	253821298353.47107
1971	278595963469.6074
1972	311176907186.5453
1973	369343847324.21606
1974	391368368537.8855
1975	397471440480.62744
1976	460382462848.31226
1977	515008461934.31226
1978	608710902626.4836
1979	697660833808.3105
1980	721258015910.312
1981	845470379339.0098
1982	791642524767.6938
1983	836027480802.4077
1984	996955463979.9224
1985	1022721041243.541
1986	1040415463164.2632
1987	1103905160562.6895
1988	1210405849285.0479
1989	1318314979984.6006
1990	1334430382437.6943
1991	1324430573129.2012
1992	1380510593510.6143
1993	1440523781506.9111
1994	1578459061686.7168
1995	1671964050546.665
1996	1800197270785.4395
1997	1973469121105.7715
1998	2065196539860.3994
1999	2162683984097.2686
2000	2243430754218.4883
2001	2158664498520.6426
2002	2119648697577.9922
2003	2189313045957.541
2004	2400187285150.1133
2005	2621854852357.9297
2006	2815341033733.0586
2007	2914280281010.9316
2008	2770341245487.451
2009	2437449772692.1484
2010	2628364715438.9375
2011	2803459247608.4766
2012	3112630666931.83
2013	3395052064528.17
2014	3606103698988.955
2015	3727919713460.006
2016	3740129079963.9824
2017	3960191560469.627
2018	4234963132652.5195
2019	4468134177832.215
2020	4280156557528.6953
2021	4676371408654.984
2022	5217079210083.336