Year	current US$
1970	1157285523204.3625
1971	1264486530492.2036
1972	1396789968782.201
1973	1552787248217.9436
1974	1707543728681.9773
1975	1847276546326.4504
1976	2085744990894.3484
1977	2321084150174.0986
1978	2598393203897.436
1979	2895350882677.471
1980	3142980456400
1981	3526082971158.675
1982	3668466702698.532
1983	4018819161505.488
1984	4486703462652.756
1985	4812174495864.983
1986	5089120501322.893
1987	5428955079918.399
1988	5852287785120.59
1989	6296417095692.183
1990	6637575181627.626
1991	6805138899078.609
1992	7154627387131.274
1993	7505009021708.482
1994	7954884129583.289
1995	8318867923959.698
1996	8778114451290.321
1997	9323748726407.885
1998	9849458698415.63
1999	10546744892057.93
2000	11337273715529.887
2001	11658702546080.041
2002	12098976543631.465
2003	12842160058425.332
2004	13835995233920.227
2005	14909733277493.855
2006	15889769135969.99
2007	16652725575505.674
2008	17041492821834.459
2009	16297108071594.855
2010	17235210166592.125
2011	17999001817244.562
2012	18674241355513.527
2013	19239501921044.457
2014	19944387685894.168
2015	20419752242111.125
2016	20876312702179.59
2017	21846802240820.2
2018	23013831597094.9
2019	23874670875096.473
2020	23646452025543.277
2021	26464498338533.34
2022	28878926944675.85