Year	current US$
1974	105558962.00204606
1975	117718443.64401156
1976	165937461.61106798
1977	157509851.79628485
1978	131801943.24095213
1979	39776148.73460053
1980	1961532099.1045768
1981	1403244378.7170506
1982	1023410509.5543468
1983	1026516503.6892109
1984	910357190.7600464
1985	582277943.8313001
1986	806595624.4821172
1987	722211363.3875571
1988	471091717.15064687
1989	1272706531.7394037
1990	1226006541.760785
1991	840085141.0622436
1992	1218678757.4340272
1993	1362244556.5261462
1994	975346513.2588935
1995	171869215.1272684
1996	426611729.35465235
1997	292382376.86946
1998	307271120.6221181
1999	346233571.69854116
2000	357494816.26544136
2001	769554515.4089454
2002	309769024.39144987
2003	648708956.4990631
2004	825500459.029038
2005	609066822.2271811
2006	957161340.2651062
2007	1618986466.2842617
2008	2540495665.62986
2009	1692004933.2895129
2010	1651528938.6422536
2011	1792477131.24603
2012	1491851883.273206
2013	1032551228.2509506
2014	1763541341.1390476
2015	1409061319.2651212
2016	1845432948.2303956
2017	1930400401.9621494
2018	2489807136.655634
2019	2274909410.9132676
2020	1117496990.8558707
2021	1636319013.792597
2022	2381465094.7280517