Year	current US$
1970	213099997.2447753
1971	238099996.74558645
1972	241709997.53475186
1973	239699997.4027276
1974	281839999.7651578
1975	382749999.16553557
1976	328610001.6385316
1977	297919994.7342276
1978	393930000.8900466
1979	449159999.3258716
1980	568529999.952763
1981	697949996.3112173
1982	556769996.1997567
1983	506510003.6431104
1984	548699995.6667427
1985	560469998.6465276
1986	746959984.3546746
1987	876720003.4856791
1988	910160007.5270978
1989	1059859999.5933471
1990	1436880006.447434
1991	1689850003.39523
1992	1761520020.265133
1993	1854170003.5762043
1994	2055310009.7887223
1995	2057330006.1766074
1996	1984660007.9834456
1997	1416720011.6906307
1998	1522569999.2924936
1999	1462379995.0610852
2000	1119099999.545142
2001	1037699996.3652341
2002	1114210007.5054922
2003	1457120012.2460718
2004	1472229994.198308
2005	1925979970.6935883
2006	2412410028.1093264
2007	2317639995.4166255
2008	2358720011.8042536
2009	2026770008.1318629
2010	2525319986.9096274
2011	3144989964.5596747
2012	3036420015.580952
2013	2609809992.2705436
2014	2906800017.0085564
2015	2040600007.7445066
2016	2255080006.6012893
2017	2974129978.6362824
2018	2421540019.4358077
2019	1816709987.6627328
2020	3638799964.405596
2021	3726019984.0366845
2022	3487580032.045021