Year	current US$
1976	57164939.78945348
1977	67103794.22305542
1978	86631119.57237625
1979	134935611.47386956
1980	168866166.64554638
1981	187842652.29278257
1982	188304967.54847205
1983	168451554.1365811
1984	152676619.51415148
1985	167263356.1749921
1986	201730018.8852077
1987	227977330.0377428
1988	272284038.6810455
1989	304142446.1498867
1990	393997531.4545898
1991	401396666.6338961
1992	469657490.38442767
1993	535221082.2550006
1994	521760334.6651371
1995	569515928.5159285
1996	582293184.9735408
1997	631039630.8090457
1998	734466277.721822
1999	757406869.4431446
2000	663353779.0937302
2001	792853999.1689347
2002	739959047.6918662
2003	656154877.2135255
2004	819427418.1818182
2005	949437054.5454545
2006	1204778128.9245849
2007	1090678325.5186493
2008	1102753836.3981977
2009	946025030.2352545
2010	1133369531.7199378
2011	1209127898.22367
2012	1265098867.6251535
2013	1428570791.7078695
2014	1595609731.2998247
2015	1537051252.7297547
2016	1727963302.672392
2017	1836593081.8952913
2018	1991628486.7706883
2019	2031178486.8081162
2020	1664453403.0815053
2021	1832838677.6224353
2022	2251399379.0284243
2023	2381668628.5334735