Quarter	US Dollars, Sum Over Component Sub-periods
1960-01-01	536000000
1960-04-01	604000000
1960-07-01	539000000
1960-10-01	577000000
1961-01-01	598000000
1961-04-01	531000000
1961-07-01	520000000
1961-10-01	483000000
1962-01-01	574000000
1962-04-01	564000000
1962-07-01	555000000
1962-10-01	592000000
1963-01-01	586000000
1963-04-01	630000000
1963-07-01	625000000
1963-10-01	641000000
1964-01-01	707000000
1964-04-01	758000000
1964-07-01	699000000
1964-10-01	763000000
1965-01-01	743000000
1965-04-01	756000000
1965-07-01	752000000
1965-10-01	721000000
1966-01-01	631000000
1966-04-01	798000000
1966-07-01	703000000
1966-10-01	688000000
1967-01-01	683000000
1967-04-01	762000000
1967-07-01	675000000
1967-10-01	648000000
1968-01-01	644000000
1968-04-01	702000000
1968-07-01	569000000
1968-10-01	565000000
1969-01-01	524000000
1969-04-01	474000000
1969-07-01	556000000
1969-10-01	520000000
1970-01-01	532000000
1970-04-01	554000000
1970-07-01	590000000
1970-10-01	615000000
1971-01-01	656000000
1971-04-01	650000000
1971-07-01	652000000
1971-10-01	687000000
1972-01-01	767000000
1972-04-01	647000000
1972-07-01	666000000
1972-10-01	623000000
1973-01-01	857000000
1973-04-01	791000000
1973-07-01	819000000
1973-10-01	1024000000
1974-01-01	997000000
1974-04-01	1410000000
1974-07-01	1428000000
1974-10-01	1188000000
1975-01-01	1266000000
1975-04-01	1280000000
1975-07-01	1368000000
1975-10-01	1038000000
1976-01-01	1255000000
1976-04-01	982000000
1976-07-01	1326000000
1976-10-01	1060000000
1977-01-01	1478000000
1977-04-01	950000000
1977-07-01	1439000000
1977-10-01	1450000000
1978-01-01	2021000000
1978-04-01	1925000000
1978-07-01	1566000000
1978-10-01	1890000000
1979-01-01	2583000000
1979-04-01	2406000000
1979-07-01	2404000000
1979-10-01	2426000000
1980-01-01	3446000000
1980-04-01	3409000000
1980-07-01	3526000000
1980-10-01	3566000000
1981-01-01	3796000000
1981-04-01	3418000000
1981-07-01	3092000000
1981-10-01	3843000000
1982-01-01	3630000000
1982-04-01	3395000000
1982-07-01	3409000000
1982-10-01	3613000000
1983-01-01	3519000000
1983-04-01	3564000000
1983-07-01	3173000000
1983-10-01	3612000000
1984-01-01	3640000000
1984-04-01	3406000000
1984-07-01	3661000000
1984-10-01	3509000000
1985-01-01	3559000000
1985-04-01	4198000000
1985-07-01	3501000000
1985-10-01	3822000000
1986-01-01	4029000000
1986-04-01	3994000000
1986-07-01	3669000000
1986-10-01	3995000000
1987-01-01	4288000000
1987-04-01	4344000000
1987-07-01	4407000000
1987-10-01	4622000000
1988-01-01	4456000000
1988-04-01	4904000000
1988-07-01	5117000000
1988-10-01	5614000000
1989-01-01	5572000000
1989-04-01	5826000000
1989-07-01	5550000000
1989-10-01	5306000000
1990-01-01	5289000000
1990-04-01	5586000000
1990-07-01	6028000000
1990-10-01	6535000000
1991-01-01	6906000000
1991-04-01	4921000000
1991-07-01	5450000000
1991-10-01	3811000000
1992-01-01	4738000000
1992-04-01	5929000000
1992-07-01	6081000000
1992-10-01	6183000000
1993-01-01	6439000000
1993-04-01	5811000000
1993-07-01	5780000000
1993-10-01	6078000000
1994-01-01	6564000000
1994-04-01	6765000000
1994-07-01	7493000000
1994-10-01	8850000000
1995-01-01	9416000000
1995-04-01	9241000000
1995-07-01	9407000000
1995-10-01	9894000000
1996-01-01	10941000000
1996-04-01	11271000000
1996-07-01	10577000000
1996-10-01	11000000000
1997-01-01	11475000000
1997-04-01	11619000000
1997-07-01	10593000000
1997-10-01	12043000000
1998-01-01	12092000000
1998-04-01	11310000000
1998-07-01	10911000000
1998-10-01	10515000000
1999-01-01	10096000000
1999-04-01	11089000000
1999-07-01	11771000000
1999-10-01	12600000000
2000-01-01	14457000000
2000-04-01	12653000000
2000-07-01	13728000000
2000-10-01	13048000000
2001-01-01	12749000000
2001-04-01	13082000000
2001-07-01	12907000000
2001-10-01	12474000000
2002-01-01	12248000000
2002-04-01	12792000000
2002-07-01	14402000000
2002-10-01	15259000000
2003-01-01	15613000000
2003-04-01	16823000000
2003-07-01	16738000000
2003-10-01	18907000000
2004-01-01	19655000000
2004-04-01	20715000000
2004-07-01	25740000000
2004-10-01	29429000000
2005-01-01	31353000000
2005-04-01	34213000000
2005-07-01	34604000000
2005-10-01	34522000000
2006-01-01	38149000000
2006-04-01	41984000000
2006-07-01	43873000000
2006-10-01	42566000000
2007-01-01	43315000000
2007-04-01	50738000000
2007-07-01	53948000000
2007-10-01	60610000000
2008-01-01	66704000000
2008-04-01	74454000000
2008-07-01	83545000000
2008-10-01	67038000000
2009-01-01	52871000000
2009-04-01	58945000000
2009-07-01	65734000000
2009-10-01	70334000000
2010-01-01	75728000000
2010-04-01	79243000000
2010-07-01	80651000000
2010-10-01	87813000000
2011-01-01	107100000000
2011-04-01	116124000000