Year	current US$
1960	-12235152.69173343
1961	-11416451.2579384
1962	-16325594.99666817
1963	-17141715.16659311
1964	-17549074.473304152
1965	-15914413.351578917
1966	-22386987.100540694
1967	-33739668.098338716
1968	-10199971.406261994
1969	-19299957.3850764
1970	-18199332.520600148
1971	-15359071.096705751
1972	-20448281.25132488
1973	-21338966.90715583
1974	-43896198.141034804
1975	-71148791.32334077
1976	-32211133.24000912
1977	-46268170.31071845
1978	-63899756.469874084
1979	-88999730.55868262
1980	-126405767.94096334
1981	-67231240.61755192
1982	-90147356.38642885
1983	-82119276.82791442
1984	-77225305.67825232
1985	-83263039.86914675
1986	-117121884.24024096
1987	-128580029.47408442
1988	-92453129.62573062
1989	-76001157.57490058
1990	-126898524.97562042
1991	-117572448.39402357
1992	-134099355.80135329
1993	-74035206.46702403
1994	-13782304.175611656
1995	-67302626.33343454
1996	-41759160.444218785
1997	-19223211.870024253
1998	-55484196.1446764
1999	-47625536.564857736
2000	-45062856.28498369
2001	-50512174.40140134
2002	-41667073.47501679
2003	2750486.428267057
2004	-66775005.52435027
2005	-111653041.71761425
2006	-113496744.3451879
2007	-158936506.64201638
2008	-247784435.96600476
2009	-244177346.27770883
2010	-239517733.130058
2011	-200401645.30898812
2012	-249988082.60803533
2013	-142992617.46350306
2014	-374102800.6612074
2015	-322373526.51300216
2016	-381189435.74302787
2017	-468848420.34472173
2018	-394893201.5693941
2019	-412163354.2327698
2020	-446173395.92890203
2021	-445525911.97953117
2022	-491595453.6793649
2023	-373074188.6454229