Year	current US$
1969	64690002.44140631
1970	107459999.084473
1971	143059997.55859402
1972	124430000.30517599
1973	180080001.831055
1974	220179992.67578098
1975	413179992.675781
1976	287269989.013672
1977	365839996.33789104
1978	411230010.986328
1979	526450012.207031
1980	539119995.117188
1981	542250000
1982	594690002.441406
1983	629679992.675781
1984	679190002.441406
1985	779270019.53125
1986	648570007.324219
1987	719599975.585938
1988	878419982.910156
1989	761500000
1990	956479980.46875
1991	1337839965.82031
1992	1575219970.70313
1993	1487689941.40625
1994	1394089965.82031
1995	1097770019.53125
1996	371019989.013672
1997	278679992.675781
1998	269540008.544922
1999	354200012.207031
2000	356299987.792969
2001	380910003.66210896
2002	351630004.88281304
2003	320160003.66210896
2004	254169998.168945
2005	554520019.53125
2006	473480010.986328
2007	232759994.506836
2008	316309997.558594
2009	290350006.10351604
2010	243470001.220703
2011	336910003.66210896
2012	354400421.142578
2013	363702789.30664104
2014	308601837.158203
2015	286385498.046875
2016	306354675.292969
2017	285558258.05664104
2018	185668487.548828
2019	304385192.871094
2020	322012725.830078
2021	343729583.74023396
2022	353074785.62742454