Quarter	US Dollars, Sum Over Component Sub-periods
1998-01-01	-13586113690.433900
1998-04-01	-7691870974.360610
1998-07-01	446191505.711048
1998-10-01	-39298454120.223800
1999-01-01	-10908478635.037000
1999-04-01	41545371283.641000
1999-07-01	1773280201.342280
1999-10-01	4268811624.286460
2000-01-01	50148089643.597600
2000-04-01	30590212924.916000
2000-07-01	-11231135343.555100
2000-10-01	13394006144.571300
2001-01-01	35815469783.177000
2001-04-01	17431334284.798900
2001-07-01	-49265147237.987700
2001-10-01	-23529587388.786100
2002-01-01	20419320904.681200
2002-04-01	26804303844.031600
2002-07-01	-40536446207.823700
2002-10-01	-13843999066.262000
2003-01-01	-2006441223.832530
2003-04-01	-25131573965.393200
2003-07-01	11756406889.047300
2003-10-01	14054021894.336000
2004-01-01	-13341667708.463600
2004-04-01	-9632397252.018800
2004-07-01	-21024209325.073400
2004-10-01	-33947061617.513700
2005-01-01	-10301402175.337400
2005-04-01	1906619682.859300
2005-07-01	-9954878048.780490
2005-10-01	-10290199809.705000
2006-01-01	21795108259.823600
2006-04-01	20427751476.810900
2006-07-01	-5390236648.680800
2006-10-01	-34744174047.639500
2007-01-01	-4660868805.174370
2007-04-01	-10648422755.459700
2007-07-01	23712648945.921200
2007-10-01	2816983045.935370
2008-01-01	29104075109.868200
2008-04-01	56483728195.782300
2008-07-01	62477256822.953100
2008-10-01	42069871289.729400
2009-01-01	55363198751.030000
2009-04-01	17065819337.267400
2009-07-01	-23975110856.815900
2009-10-01	-22001968988.432200
2010-01-01	19324261992.619900
2010-04-01	15344995552.543500
2010-07-01	-9792357730.582000
2010-10-01	-6981857666.380130
2011-01-01	-5631408649.683270
2011-04-01	22321531375.935500
2011-07-01	-12896879559.467200
2011-10-01	-48684990568.579900
2012-01-01	7315090050.708170
2012-04-01	-24788630049.155800
2012-07-01	-64533472367.049000
2012-10-01	-90106419795.812400