Quarter	Dollars
1970-01-01	-138400639.861599000
1970-04-01	176800159.823200230
1970-07-01	627520319.372480990
1970-10-01	150560319.849439920
1971-01-01	-246559359.753440470
1971-04-01	160480319.839518790
1971-07-01	1278152110.309050100
1971-10-01	424069870.696461980
1972-01-01	434212600.063013020
1972-04-01	605006076.060073020
1972-07-01	921611870.607031940
1972-10-01	23109964.762956101
1973-01-01	-860618966.214879990
1973-04-01	-874562314.114815000
1973-07-01	-126986057.778724000
1973-10-01	-978444196.966897010
1974-01-01	-2642326245.666230200
1974-04-01	-2497810009.490089900
1974-07-01	-1446909330.093709900
1974-10-01	-1688154652.171250100
1975-01-01	-501486458.654565990
1975-04-01	77045877.751020595
1975-07-01	927274188.225828050
1975-10-01	-1137466729.881890100
1976-01-01	-1338865559.674880000
1976-04-01	-1308355378.110940000
1976-07-01	919507206.892266040
1976-10-01	-1120921413.617830000
1977-01-01	-1012257544.621750000
1977-04-01	350496324.923740030
1977-07-01	2517371014.260670200
1977-10-01	491320988.080064000
1978-01-01	317154038.374683980
1978-04-01	1500555460.958879900
1978-07-01	2900985873.420780200
1978-10-01	1335060474.683520100
1979-01-01	1616394973.447289900
1979-04-01	2239513756.632860200
1979-07-01	2387336151.294620000
1979-10-01	-329411610.022580030
1980-01-01	-3526092111.330870200
1980-04-01	-2391851795.519030100
1980-07-01	-1635697482.417030100
1980-10-01	-3033811720.514460100
1981-01-01	-6459329170.948080100
1981-04-01	-1939434090.478200000
1981-07-01	-14998971.086289899
1981-10-01	-2053162514.781510100
1982-01-01	-4568318018.949410400
1982-04-01	-335209949.731553020
1982-07-01	-634077098.650856970
1982-10-01	-1841951464.884500000
1983-01-01	-1404064324.706260000
1983-04-01	920631037.566771030
1983-07-01	1776883824.700130000
1983-10-01	-594948005.105155940
1984-01-01	-1929051023.534050000
1984-04-01	-452545488.644517000
1984-07-01	542742691.236438040
1984-10-01	-1351421027.650960000
1985-01-01	-3293092809.951290100
1985-04-01	-832472203.868124960
1985-07-01	968772522.816329960
1985-10-01	-926801160.790987970
1986-01-01	-2511473850.283770100
1986-04-01	698617560.234653000
1986-07-01	4588232085.385939600
1986-10-01	-313027983.615893010
1987-01-01	-2451329393.793439900
1987-04-01	-825043250.853556990
1987-07-01	2464965721.032839800
1987-10-01	-1823923448.560820100
1988-01-01	-5458748480.784020400
1988-04-01	350401384.687982980
1988-07-01	-104171762.286273000
1988-10-01	-1968067858.845089900
1989-01-01	-8688018200.597869900
1989-04-01	-2096213499.422950000
1989-07-01	222303850.224466000
1989-10-01	-2249988179.061150100
1990-01-01	-9507342066.669960000
1990-04-01	-2537586828.553460100
1990-07-01	575209653.971359010
1990-10-01	-5008961880.676360100
1991-01-01	-8673709969.234329200
1991-04-01	-6023136549.736689600
1991-07-01	-4150339709.129680200
1991-10-01	-5615450895.265520100
1992-01-01	-10860532644.744766000
1992-04-01	-6426112382.131090200
1992-07-01	-5872719197.674269700
1992-10-01	-6057163146.815549900
1993-01-01	-3614501310.027569800
1993-04-01	1805631677.415689900
1993-07-01	4177496888.123370200
1993-10-01	5433457681.728897100
1994-01-01	410146730.542999030
1994-04-01	3723012824.732289800
1994-07-01	5480916781.153300300
1994-10-01	3595157060.470409900
1995-01-01	2905873846.108130000
1995-04-01	7708684530.785989800
1995-07-01	9387567953.900419200
1995-10-01	5073628686.860139800
1996-01-01	5798829463.428819700
1996-04-01	10272625367.013700000
1996-07-01	14930157170.995800000
1996-10-01	8997423648.175090800
1997-01-01	6099172715.123560000
1997-04-01	7085416013.266869500
1997-07-01	10855352632.728701000
1997-10-01	8363425039.491950000
1998-01-01	38748113.363819100
1998-04-01	7334191738.256640400
1998-07-01	9760129481.719640700
1998-10-01	2864835994.712289800
1999-01-01	367033357.184993740
1999-04-01	3061361186.011405000
1999-07-01	5282205986.752401400
1999-10-01	-600012457.006031040
2000-01-01	-1054691353.964560500
2000-04-01	-3268813724.910625500
2000-07-01	1387184967.038525100
2000-10-01	-2844820844.641257300
2001-01-01	-1620429469.177074400
2001-04-01	-2358796545.434987100
2001-07-01	1471172844.267490400
2001-10-01	1856096556.417104700
2002-01-01	-1761283312.497812300
2002-04-01	-4886747342.029449500
2002-07-01	2027990597.676958100
2002-10-01	-4749043214.798275000
2003-01-01	-8181691355.065786400
2003-04-01	-9297101038.180076600
2003-07-01	1881596547.034288400
2003-10-01	-3809670977.557996700
2004-01-01	-5892939512.610440300
2004-04-01	-6297142439.044750200
2004-07-01	4037204437.448289900
2004-10-01	-8301677760.235380200
2005-01-01	-11411591390.191700000
2005-04-01	-9282958397.364770900
2005-07-01	-984758877.823950050
2005-10-01	-8064631707.858030300
2006-01-01	-15462662693.564199000
2006-04-01	-13108020148.698200000
2006-07-01	-7732444317.418499900
2006-10-01	-11524866904.387300000
2007-01-01	-16958308948.834999000
2007-04-01	-12646010525.819099000
2007-07-01	-6173765370.889539700
2007-10-01	-15796192261.982100000
2008-01-01	-25562366058.717300000
2008-04-01	-9357055613.980009100
2008-07-01	-13862783365.860300000
2008-10-01	-17470136800.532101000