Annual US Dollars, Monthly Level
1960-01-01 -89455499.38362001
1961-01-01 141483715.29595200
1962-01-01 89075228.81663780
1963-01-01 392012543.92102700
1964-01-01 761004968.83916900
1965-01-01 126352095.34005400
1966-01-01 265130950.16269898
1967-01-01 502297090.46649796
1968-01-01 1222718744.01560000
1969-01-01 683926991.48394800
1970-01-01 2745237375.36349000
1971-01-01 2202217867.64747000
1972-01-01 1422753585.22061000
1973-01-01 2069966723.25180030
1974-01-01 726628289.61808900
1975-01-01 -1391148585.79038000
1976-01-01 1011758592.19856990
1977-01-01 2093427179.75600980
1978-01-01 2588561014.21599960
1979-01-01 2384545110.26876970
1980-01-01 5932070271.16335000
1981-01-01 3558193563.15873960
1982-01-01 13538787254.01859900
1983-01-01 12096947584.74860000
1984-01-01 12951492527.94760000
1985-01-01 10958379842.83120000
1986-01-01 5871539385.78196050
1987-01-01 6671519830.89693000
1988-01-01 5870341772.96058000
1989-01-01 2964710291.97116000
1990-01-01 10929303665.55570000
1991-01-01 9201078451.98119000
1992-01-01 12250699814.60229900
1993-01-01 13613663637.31339800
1994-01-01 16795418490.11170000
1995-01-01 26750059572.25510000
1996-01-01 31715916062.52610000
1997-01-01 18139194037.34580000
1998-01-01 13501171848.51550100
1999-01-01 23568844889.31990000
2000-01-01 37858104135.50020000
2001-01-01 39379389757.01099400
2002-01-01 30206301372.70140000
2003-01-01 32156852089.18070200
2004-01-01 43351131754.42080000
2005-01-01 45797042669.46419500
2006-01-01 38191409757.32270000
2007-01-01 40043684680.31610000
2008-01-01 46357362547.33370000
2009-01-01 -4911616631.82893000
2010-01-01 -4702239873.75861900
2011-01-01 41450737.17283570
2012-01-01 -6906257534.24273000
2013-01-01 -3605287467.75317000
2014-01-01 13191708106.82350000
2015-01-01 -9454704144.24297000
2016-01-01 -12131197369.35349800
2017-01-01 -11531850178.45209900