Year	current US$
1970	497652032069.30695
1971	567979582975.6926
1972	826657916973.0879
1973	1028569155160.1023
1974	1133676439918.1252
1975	1203330003124.4512
1976	1302424910522.6821
1977	1506795828267.4106
1978	1863446535971.3987
1979	2177704351640.013
1980	2402691968234.0527
1981	2394213847748.308
1982	2292356563045.0605
1983	2331094990382.69
1984	2451793585525.7896
1985	2575586472532.0566
1986	3155062432797.599
1987	3700233943458.6797
1988	4272719152037.884
1989	4509303575280.153
1990	4986612007026.878
1991	5116930581962.498
1992	5340014712569.365
1993	5254496876551.41
1994	5618567728438.811
1995	6277115989654.01
1996	6345747173088.562
1997	6151316208569.057
1998	6118573602388.244
1999	6486238083427.994
2000	6701920518377.778
2001	6454541390812.497
2002	6470979805693.283
2003	7232946589994.496
2004	8143300964114.292
2005	8817095769606.14
2006	9480745392865.568
2007	10451827539968.404
2008	11029951426846.021
2009	9478240196518.654
2010	9772491301707.447
2011	10765568886496.838
2012	10942528054798.828
2013	11071963673450.424
2014	11377552193911.912
2015	10756215506223.63
2016	11003282006663.121
2017	11666182449930.57
2018	12449336035786.908
2019	12773148382804.955
2020	12522541797331.668
2021	13883410165195.783
2022	14355722265232.957