Year	current US$
1960	899999.976158142
1961	15460000.038146999
1962	17319999.6948242
1963	7070000.17166138
1964	5860000.1335144
1965	-680000.007152557
1966	-629999.995231628
1967	-500000
1968	-529999.971389771
1969	280000.001192093
1970	-180000.00715255702
1971	8649999.61853027
1972	11510000.2288818
1973	17989999.7711182
1974	54630001.0681152
1975	17280000.6866455
1976	28379999.1607666
1977	12539999.961853001
1978	28510000.2288818
1979	38700000.762939505
1980	3710000.03814697
1981	910000.026226044
1982	1289999.96185303
1983	699999.988079071
1984	1080000.04291534
1985	589999.973773956
1986	5659999.84741211
1987	289999.99165535
1988	4820000.17166138
1989	1549999.95231628
1990	1309999.9427795399
1991	7099999.90463257
1992	281239990.234375
1993	11470000.2670288
1994	79459999.0844727
1995	170190002.44140598
1996	120849998.47412099
1997	232490005.493164
1998	388619995.11718804
1999	679989990.234375
2000	923679992.675781
2001	459529998.779297
2002	374739990.234375
2003	484239990.234375
2004	615330017.089844
2005	602659973.144531
2006	562729980.46875
2007	640039978.027344
2008	619039978.027344
2009	1191359985.35156
2010	807809997.558594
2011	1031010009.76563
2012	1646709960.9375
2013	1306890014.64844
2014	1523089965.82031
2015	1074920043.94531
2016	1166060058.59375
2017	927960021.972656
2018	203750000
2019	148630004.882813
2020	75180000.3051758
2021	-163190002.44140598
2022	-168690002.44140598