Quarterly US Dollars, Sum Over Component Sub-periods
1997-01-01 119000000
1997-04-01 17000000
1997-07-01 137000000
1997-10-01 -25000000
1998-01-01 -190000000
1998-04-01 16000000
1998-07-01 35000000
1998-10-01 9000000
1999-01-01 -307000000
1999-04-01 -122000000
1999-07-01 -61000000
1999-10-01 -57000000
2000-01-01 3000000
2000-04-01 -101000000
2000-07-01 42000000
2000-10-01 -28000000
2001-01-01 237000000
2001-04-01 -83000000
2001-07-01 -85000000
2001-10-01 -21000000
2002-01-01 -63000000
2002-04-01 -410000000
2002-07-01 -313000000
2002-10-01 -371000000
2003-01-01 8000000
2003-04-01 -135000000
2003-07-01 -881000000
2003-10-01 -288000000
2004-01-01 -554000000
2004-04-01 -59000000
2004-07-01 -133000000
2004-10-01 -585000000
2005-01-01 -505000000
2005-04-01 -926000000
2005-07-01 -808000000
2005-10-01 -270000000
2006-01-01 -1005000000
2006-04-01 -456000000
2006-07-01 -1183000000
2006-10-01 -2005000000
2007-01-01 -615000000
2007-04-01 -1904000000
2007-07-01 -2173000000
2007-10-01 -1648000000
2008-01-01 1003000000
2008-04-01 -1626000000
2008-07-01 2067000000
2008-10-01 914000000
2009-01-01 159000000
2009-04-01 -411000000
2009-07-01 -811000000
2009-10-01 -385000000
2010-01-01 -807000000
2010-04-01 232000000
2010-07-01 -217000000
2010-10-01 -319000000
2011-01-01 -610000000
2011-04-01 -266000000
2011-07-01 1065000000
2011-10-01 680000000
2012-01-01 -202000000
2012-04-01 210000000
2012-07-01 -74000000
2012-10-01 -370000000
2013-01-01 -1633000000
2013-04-01 -580000000
2013-07-01 -352000000
2013-10-01 386000000
2014-01-01 -1222000000