Quarterly US Dollars, Sum Over Component Sub-periods
1994-01-01 328000000
1994-04-01 -1375000000
1994-07-01 -1836000000
1994-10-01 3348000000
1995-01-01 -3053000000
1995-04-01 -37000000
1995-07-01 -1959000000
1995-10-01 -3606000000
1996-01-01 -2559000000
1996-04-01 -3258000000
1996-07-01 -1910000000
1996-10-01 476000000
1997-01-01 -2883000000
1997-04-01 -90000000
1997-07-01 -1811000000
1997-10-01 -3996000000
1998-01-01 -2303000000
1998-04-01 -2752000000
1998-07-01 -4800000000
1998-10-01 493000000
1999-01-01 -1036000000
1999-04-01 -1027000000
1999-07-01 -2525000000
1999-10-01 -3893000000
2000-01-01 -1722000000
2000-04-01 -1274000000
2000-07-01 -2901000000
2000-10-01 -3393000000
2001-01-01 -2607000000
2001-04-01 -1541000000
2001-07-01 -2668000000
2001-10-01 -2734000000
2002-01-01 -1016000000
2002-04-01 -934000000
2002-07-01 -2042000000
2002-10-01 -2084000000
2003-01-01 -1702000000
2003-04-01 -1842000000
2003-07-01 -3352000000
2003-10-01 -2277000000
2004-01-01 -2680000000
2004-04-01 -326000000
2004-07-01 -137000000
2004-10-01 -2731000000
2005-01-01 -2022000000
2005-04-01 -1803000000
2005-07-01 -507000000
2005-10-01 -3582000000
2006-01-01 -2020000000
2006-04-01 872000000
2006-07-01 4736000000
2006-10-01 5929000000
2007-01-01 -4177000000
2007-04-01 2235000000
2007-07-01 -3520000000
2007-10-01 -7885000000
2008-01-01 -6106000000
2008-04-01 2904000000
2008-07-01 -4728000000
2008-10-01 -3347000000
2009-01-01 -7831000000
2009-04-01 2916000000
2009-07-01 2585000000
2009-10-01 604000000
2010-01-01 -5472000000
2010-04-01 -1358000000
2010-07-01 3888000000
2010-10-01 -5343000000
2011-01-01 -4687000000
2011-04-01 -114000000
2011-07-01 649000000
2011-10-01 -5839000000
2012-01-01 -6014000000
2012-04-01 -4254000000