Year	current US$
1979	196268795.99373132
1980	230508001.77138475
1981	282087188.38667303
1982	254505162.93072948
1983	237254386.75223136
1984	240565286.53072545
1985	256672107.0741205
1986	285161497.24706364
1987	320975876.59183645
1988	359288869.1769181
1989	416492311.13971364
1990	483047343.7920856
1991	537025428.6136913
1992	569035223.5663759
1993	606824509.1419802
1994	700752008.147702
1995	709996248.437268
1996	738488348.3817466
1997	768917191.4401363
1998	642126490.7883849
1999	736814629.78973
2000	664200907.6842531
2001	620823959.987286
2002	544166772.9844506
2003	743577403.6021826
2004	818336402.5719532
2005	936038193.9722841
2006	947090091.1323673
2007	1003270544.5844891
2008	1214619759.2046316
2009	1025316402.3067265
2010	1143084703.448937
2011	1292440503.8505833
2012	1334026079.3292358
2013	1436248787.462489
2014	1398093915.9372537
2015	1302188359.9913368
2016	1393461910.582762
2017	1515084769.8254416
2018	1610002987.6288989
2019	1734866563.2215846
2020	1208236554.1626618
2021	1265717388.0100875
2022	1687040911.5218022