Year	current US$
1960	60749999.2363155
1961	3690000.10378659
1962	1549999.93927777
1963	23390000.5128235
1964	17720000.4104525
1965	19720000.6507337
1966	5709999.97854233
1967	30789999.961852998
1968	27540000.135079
1969	14679999.7091293
1970	21900000.1568347
1971	13190000.2453476
1972	-3289999.83146787
1973	21960000.2225488
1974	6529999.89502132
1975	15789999.909699
1976	35000000.6482005
1977	15240000.0542402
1978	2849999.8152256
1979	-1040000.0363588299
1980	3039999.8389184503
1981	9680000.02205372
1982	30710000.641644
1983	50149999.666958995
1984	69680000.3945827
1985	69569999.4117022
1986	103290000.528097
1987	173260004.15533802
1988	279679996.85742
1989	137719999.341294
1990	242950004.04864502
1991	330000000.951812
1992	560829998.984933
1993	333710004.001856
1994	736559982.329607
1995	150270003.311336
1996	141510001.484305
1997	58460000.1312792
1998	31400000.1642853
1999	30040000.863373302
2000	20579999.6852875
2001	35100000.038743
2002	51319999.635219604
2003	107629999.924451
2004	151289999.827743
2005	1037640022.7546701
2006	579639991.223812
2007	664709995.605052
2008	1033509990.69214
2009	146539998.918772
2010	101970002.28241101
2011	88299999.5425344
2012	52289999.2987514
2013	80590000.3984571
2014	116160001.054406
2015	180009999.454021
2016	140729998.230934
2017	354999993.264675
2018	188700002.04443902
2019	212380000.293255
2020	273379999.924451
2021	242269999.712706
2022	288469998.52731836