Year	current US$
1960	23250000.0558794
1961	30550000.347197097
1962	37590000.638738304
1963	36350000.716745906
1964	6150000.274181371
1965	45269999.9306351
1966	41540000.7627904
1967	47940000.390633896
1968	51259998.9809096
1969	69739999.1396815
1970	86540000.1835078
1971	82059999.6745586
1972	102149999.141693
1973	92520000.519231
1974	113510000.20094201
1975	137300000.855699
1976	126830000.158399
1977	132390001.62109701
1978	175419999.232516
1979	212940001.774579
1980	278729997.48401296
1981	333499998.634681
1982	284609998.065978
1983	251020000.010729
1984	194119997.840375
1985	210500001.566485
1986	349350000.64969105
1987	523780006.38075197
1988	413630002.981052
1989	408000000.230968
1990	516559994.488955
1991	495589995.31343603
1992	561779999.757186
1993	576979998.705909
1994	453289999.341592
1995	609329999.757931
1996	858090006.088838
1997	471569993.64122695
1998	465259998.582304
1999	397739998.75597703
2000	342939997.77548
2001	334280001.247302
2002	355230000.64306
2003	473250004.716218
2004	662499983.50814
2005	433480005.86219096
2006	446980008.147657
2007	474340009.000152
2008	818400002.174079
2009	917620010.8062481
2010	912699993.7463549
2011	1128680016.3648999
2012	845029996.469617
2013	1299179990.39963
2014	1816230018.1035001
2015	1126490004.68664
2016	1536620004.62785
2017	1048619996.2981
2018	1417110026.56817
2019	1168490020.21365
2020	1453479969.7306
2021	782800010.522828
2022	1337779980.7302654