Year	current US$
1960	300000.011920929
1961	36600002.288818404
1966	20670000.0762939
1967	46399997.711181596
1987	22299999.237060502
1988	70000000
1989	78360000.6103516
1990	103309997.558594
1991	158380004.882813
1992	233259994.506836
1993	178210006.71386698
1994	209930007.93457
1995	165290008.544922
1996	157130004.882813
1997	163080001.831055
1998	176300003.05175802
1999	207349990.84472698
2000	178729995.727539
2001	183250000
2002	185830001.831055
2003	182729995.727539
2004	873080017.089844
2005	218089996.33789098
2006	210800003.05175802
2007	269679992.675781
2008	372959991.455078
2009	276250000
2010	395809997.558594
2011	476859985.35156304
2012	397049987.792969
2013	302480010.986328
2014	246010009.765625
2015	145889999.38964802
2016	124430000.30517599
2017	114040000.915527
2018	131520004.272461
2019	116979995.727539
2020	166630004.882813
2021	154779998.779297
2022	96820002.01754272
