Year	current US$
1960	-16897127.23937311
1961	-20944003.08002273
1962	-8394020.825975645
1963	-13201933.125967344
1964	-27926249.67359365
1965	-31289987.904206116
1966	-15272315.439095328
1967	-49141538.7970838
1968	-74264572.73033783
1969	-112019657.41590218
1970	-102156933.1709889
1971	-168274603.5350933
1972	-100108952.1880981
1973	47418713.56379706
1974	257353272.21739215
1975	-252304854.02507803
1976	-176622602.22646648
1977	-202493994.62342462
1978	-456853832.9860003
1979	-37340886.28453029
1980	-130348436.90127571
1981	-148221998.33720353
1982	-617817934.7907648
1983	41716982.43458617
1984	286589276.26333016
1985	625158450.8979801
1986	-283586838.0954477
1987	-975977493.2192518
1988	-606990748.5685643
1989	-631599536.1778291
1990	142309166.09055737
1991	365682841.4207103
1992	626230115.0575287
1993	-587012506.2531265
1994	-730790395.1975988
1995	-815438719.3596798
1996	83465732.86643322
1997	-548409204.6023011
1998	-2129759879.9399698
1999	698160080.04002
2000	1700945472.7363682
2001	-211432000
2002	-911134000
2003	410600000.00000095
2004	747833000
2005	1327650000
2006	2540870000
2007	3047891000
2008	3645320000
2009	764355000.0000019
2010	-549296000
2011	1730641000
2012	2333658000
2013	1272056000
2014	1318585000
2015	-2254356000
2016	531421000
2017	-675433000
2018	-990533000
2019	15515000
2020	2471232000
2021	922030000
2022	-56508000
2023	336311000.0000038
