Quarter	US Dollars, Sum Over Component Sub-periods
1975-01-01	2001000000.000
1975-04-01	2015354000.000
1975-07-01	1639000000.000
1975-10-01	1751000000.000
1976-01-01	2230000000.000
1976-04-01	1197501000.000
1976-07-01	1498063000.000
1976-10-01	1103884000.000
1977-01-01	957480000.000
1977-04-01	943698000.000
1977-07-01	1725341000.000
1977-10-01	2050159000.000
1978-01-01	1880000000.000
1978-04-01	1194212000.000
1978-07-01	2021188000.000
1978-10-01	1600086000.000
1979-01-01	1977700000.000
1979-04-01	2961594000.000
1979-07-01	2668574000.000
1979-10-01	3230541000.000
1980-01-01	4162889000.000
1980-04-01	3243694000.000
1980-07-01	2954977000.000
1980-10-01	2720181000.000
1981-01-01	3305964000.000
1981-04-01	2703399000.000
1981-07-01	2613163000.000
1981-10-01	3498512000.000
1982-01-01	3372138000.000
1982-04-01	4575334000.000
1982-07-01	4280428000.000
1982-10-01	4414426000.000
1983-01-01	2389493000.000
1983-04-01	1624570000.000
1983-07-01	1316074000.000
1983-10-01	2112826000.000
1984-01-01	412180000.000
1984-04-01	-482399000.000
1984-07-01	-12472000.000
1984-10-01	-414816000.000
1985-01-01	1035157000.000
1985-04-01	-1156197000.000
1985-07-01	-260127000.000
1985-10-01	1034329000.000
1986-01-01	507254000.000
1986-04-01	549396000.000
1986-07-01	1141891000.000
1986-10-01	3068696000.000
1987-01-01	2174686000.000
1987-04-01	10724000.000
1987-07-01	-219327000.000
1987-10-01	277938000.000
1988-01-01	400283000.000
1988-04-01	-1348157000.000
1988-07-01	-2109031000.000
1988-10-01	-290323000.000
1989-01-01	-1548821000.000
1989-04-01	-83690000.000
1989-07-01	646953000.000
1989-10-01	728533000.000
1990-01-01	3068649000.100
1990-04-01	-1663732000.320
1990-07-01	430490000.050
1990-10-01	2276386999.820
1991-01-01	32444000.000
1991-04-01	-1720616000.000
1991-07-01	898952000.400
1991-10-01	1321226000.000
1992-01-01	-1549691000.200
1992-04-01	-1815318000.300
1992-07-01	291091000.000
1992-10-01	-1648961999.600
1993-01-01	272153000.000
1993-04-01	-138512000.000
1993-07-01	1196841000.000
1993-10-01	455961000.000
1994-01-01	-919855000.000
1994-04-01	-331091000.000
1994-07-01	-1698428000.000
1994-10-01	4426382000.000
1995-01-01	5196958000.000
1995-04-01	5858271000.000
1995-07-01	1096100000.000
1995-10-01	4025225000.000
1996-01-01	4652354190.000
1996-04-01	4005591475.600
1996-07-01	5690973068.280
1996-10-01	10953050614.900
1997-01-01	6054788939.000
1997-04-01	9470492729.000
1997-07-01	6300659782.400
1997-10-01	11881557393.000
1998-01-01	7058738825.700
1998-04-01	11047068233.000
1998-07-01	8573035601.570
1998-10-01	10993017040.100
1999-01-01	5339636560.000
1999-04-01	8070902326.700
1999-07-01	4776576011.200
1999-10-01	6954064079.200
2000-01-01	5234581902.000
2000-04-01	5815516684.000
2000-07-01	3521339283.600
2000-10-01	7016017801.000
2001-01-01	6122872459.600
2001-04-01	6679298302.637
2001-07-01	5635532226.000
2001-10-01	5307956863.300
2002-01-01	3549300737.400
2002-04-01	5190989250.330
2002-07-01	-1234150818.700
2002-10-01	196199751.550
2003-01-01	171000351.300
2003-04-01	-14804212.800
2003-07-01	-3266157331.110
2003-10-01	-274747695.840
2004-01-01	-1280148174.200
2004-04-01	-1963096844.100
2004-07-01	-4470578741.500
2004-10-01	-2053075328.520
2005-01-01	-2701620875.370
2005-04-01	-2563211180.250
2005-07-01	-5730425388.250
2005-10-01	-2788254022.300
2006-01-01	-1525931628.860
2006-04-01	-487880178.400
2006-07-01	-7103644861.600
2006-10-01	-4430600083.000
2007-01-01	1371560471.100
2007-04-01	-2303364518.900
2007-07-01	-195829930.300
2007-10-01	2728987081.400
2008-01-01	14139539689.000
2008-04-01	6836163735.400
2008-07-01	9164042002.000
2008-10-01	-3751731962.000
2009-01-01	4738877400.000
2009-04-01	2534488800.000
2009-07-01	2898435800.000
2009-10-01	14477811000.000
2010-01-01	13266442517.000
2010-04-01	13055709595.000
2010-07-01	11774673245.400
2010-10-01	12714450132.800
2011-01-01	16001854237.000
2011-04-01	10436474652.000
2011-07-01	11922944417.000
2011-10-01	15382910436.600
2012-01-01	11058116994.000
2012-04-01	13300198709.100
2012-07-01	8823095672.140
2012-10-01	17928832159.000
2013-01-01	24587730460.800
2013-04-01	19973951611.000
2013-07-01	15481458653.000
2013-10-01	20021474606.900
2014-01-01	23628485678.000
2014-04-01	17064197296.000