Year	current US$
1960	1079999.92370605
1961	37799999.237060495
1966	20670000.0762939
1967	46399997.711181596
1987	22299999.237060502
1988	70000000
1989	78360000.6103516
1990	103309997.558594
1991	158380004.882813
1992	233299987.79296902
1993	178210006.71386698
1994	210089996.33789098
1995	165339996.33789098
1996	157419998.168945
1997	163410003.66210902
1998	176419998.168945
1999	207459991.455078
2000	179149993.89648402
2001	184050003.05175802
2002	187039993.28613302
2003	182850006.10351598
2004	873769958.496094
2005	218199996.94824198
2006	211179992.67578098
2007	270019989.013672
2008	373290008.544922
2009	276480010.986328
2010	395920013.42773396
2011	477040008.544922
2012	397190002.441406
2013	302630004.88281304
2014	246169998.168945
2015	146070007.32421902
2016	124580001.831055
2017	114269996.64306599
2018	131529998.779297
2019	116989997.86377
2020	166649993.89648402
2021	154800003.05175802
2022	97120002.02015042