Year	current US$
1960	-9239996.304001478
1961	-11759995.296001881
1962	-13999994.400002241
1963	-16939993.22400271
1964	-17779992.888002846
1965	-20719991.712003317
1966	-25899989.640004143
1967	-26459989.416004233
1968	-26459989.416004233
1969	-25059989.976004012
1970	-25199989.920004033
1971	-32158072.305328313
1972	-42928225.3081401
1973	-64845329.479119085
1974	-95661810.48070796
1975	-133872791.09894685
1976	-178250044.56251115
1977	-194350048.58751214
1978	-195500048.87501222
1979	-294528771.7793932
1980	-384420813.67788255
1981	-424273504.2735043
2007	-984912194.0453049
2008	-976913878.2478092
2009	-1207625405.4616683
2010	-1471583827.4269788
2011	-1401932767.668976
2012	-1650563650.7549927
2013	-1346086235.1283007
2014	-1220362720.4253042
2015	-1036826658.9105309
2016	-946330953.2794578
2017	-1185962864.5009034
2018	-1144399515.3063421
2019	-1149879443.623863
2020	-1077112613.3529131
2021	-1151800512.8740203
2022	-1174316334.311901