Quarter	US Dollars, Sum Over Component Sub-periods
1981-01-01	61000000
1981-04-01	72000000
1981-07-01	80000000
1981-10-01	37000000
1982-01-01	46000000
1982-04-01	28000000
1982-07-01	43000000
1982-10-01	17000000
1983-01-01	20000000
1983-04-01	28000000
1983-07-01	30000000
1983-10-01	36000000
1984-01-01	67000000
1984-04-01	41000000
1984-07-01	29000000
1984-10-01	30000000
1985-01-01	33000000
1985-04-01	14000000
1985-07-01	27000000
1985-10-01	14000000
1986-01-01	119000000
1986-04-01	34000000
1986-07-01	46000000
1986-10-01	60000000
1987-01-01	78000000
1987-04-01	46000000
1987-07-01	56000000
1987-10-01	77000000
1988-01-01	77000000
1988-04-01	21000000
1988-07-01	64000000
1988-10-01	92000000
1989-01-01	92000000
1989-04-01	42000000
1989-07-01	87000000
1989-10-01	118000000
1990-01-01	112000000
1990-04-01	114000000
1990-07-01	121000000
1990-10-01	71000000
1991-01-01	59000000
1991-04-01	60000000
1991-07-01	43000000
1991-10-01	100000000
1992-01-01	157000000
1992-04-01	147000000
1992-07-01	147000000
1992-10-01	120000000
1993-01-01	120000000
1993-04-01	65000000
1993-07-01	123000000
1993-10-01	229000000
1994-01-01	158000000
1994-04-01	83000000
1994-07-01	157000000
1994-10-01	221000000
1995-01-01	259000000
1995-04-01	203000000
1995-07-01	344000000
1995-10-01	175000000
1996-01-01	198000000
1996-04-01	214000000
1996-07-01	240000000
1996-10-01	285000000
1997-01-01	323000000
1997-04-01	192000000
1997-07-01	164000000
1997-10-01	355000000
1998-01-01	313000000
1998-04-01	313000000
1998-07-01	430000000
1998-10-01	410000000
1999-01-01	514000000
1999-04-01	670000000
1999-07-01	395000000
1999-10-01	335000000
2000-01-01	396000000
2000-04-01	502000000
2000-07-01	453000000
2000-10-01	465000000
2001-01-01	412000000
2001-04-01	394000000
2001-07-01	350000000
2001-10-01	364000000
2002-01-01	498000000
2002-04-01	337000000
2002-07-01	415000000
2002-10-01	489000000
2003-01-01	192000000
2003-04-01	716000000
2003-07-01	393000000
2003-10-01	568000000
2004-01-01	306000000
2004-04-01	273000000
2004-07-01	262000000
2004-10-01	298000000
2005-01-01	1111000000
2005-04-01	1020000000
2005-07-01	1207000000
2005-10-01	1455000000
2006-01-01	1205000000
2006-04-01	1198000000
2006-07-01	1321000000
2006-10-01	1139000000
2007-01-01	1254000000
2007-04-01	1178000000
2007-07-01	1240000000
2007-10-01	1432000000
2008-01-01	1371000000
2008-04-01	1356000000
2008-07-01	1331000000
2008-10-01	1305000000
2009-01-01	1051000000
2009-04-01	1135000000
2009-07-01	1171000000
2009-10-01	1221000000
2010-01-01	1080000000
2010-04-01	1098000000
2010-07-01	1151000000
2010-10-01	1301000000
2011-01-01	1029000000
2011-04-01	960000000
2011-07-01	1045000000
2011-10-01	1176000000
2012-01-01	1030000000
2012-04-01	924000000
2012-07-01	860000000
2012-10-01	1280000000
2013-01-01	1104000000
2013-04-01	1014000000
2013-07-01	883000000
2013-10-01	1056000000