Quarter	US Dollars, Sum Over Component Sub-periods
1980-01-01	190000000
1980-04-01	274000000
1980-07-01	372000000
1980-10-01	342000000
1981-01-01	348000000
1981-04-01	399000000
1981-07-01	388000000
1981-10-01	737000000
1982-01-01	743000000
1982-04-01	806000000
1982-07-01	696000000
1982-10-01	680000000
1983-01-01	547000000
1983-04-01	542000000
1983-07-01	720000000
1983-10-01	634000000
1984-01-01	448000000
1984-04-01	662000000
1984-07-01	556000000
1984-10-01	592000000
1985-01-01	414000000
1985-04-01	390000000
1985-07-01	362000000
1985-10-01	396000000
1986-01-01	258000000
1986-04-01	465000000
1986-07-01	612000000
1986-10-01	781000000
1987-01-01	852000000
1987-04-01	1048000000
1987-07-01	933000000
1987-10-01	640000000
1988-01-01	623000000
1988-04-01	788000000
1988-07-01	662000000
1988-10-01	682000000
1989-01-01	367000000
1989-04-01	343000000
1989-07-01	89000000
1989-10-01	27000000
1990-01-01	-73000000
1990-04-01	-50000000
1990-07-01	92000000
1990-10-01	-70000000
1991-01-01	-356000000
1991-04-01	-266000000
1991-07-01	-543000000
1991-10-01	-490000000
1992-01-01	-737000000
1992-04-01	-559000000
1992-07-01	-579000000
1992-10-01	-621000000
1993-01-01	-457000000
1993-04-01	-226000000
1993-07-01	-337000000
1993-10-01	-477000000
1994-01-01	-501000000
1994-04-01	-203000000
1994-07-01	-381000000
1994-10-01	-40000000
1995-01-01	-668000000
1995-04-01	-61000000
1995-07-01	-808000000
1995-10-01	-653000000
1996-01-01	-1518000000
1996-04-01	-1172000000
1996-07-01	-1315000000
1996-10-01	-1558000000
1997-01-01	-1237000000
1997-04-01	-864000000
1997-07-01	-1187000000
1997-10-01	856000000
1998-01-01	916000000
1998-04-01	373000000
1998-07-01	140000000
1998-10-01	276000000
1999-01-01	-9000000
1999-04-01	-300000000
1999-07-01	187000000
1999-10-01	-37000000
2000-01-01	-635000000
2000-04-01	-444000000
2000-07-01	-644000000
2000-10-01	-314000000
2001-01-01	-33000000
2001-04-01	-232000000
2001-07-01	-1100000000
2001-10-01	-1605000000
2002-01-01	-1582000000
2002-04-01	-1142000000
2002-07-01	-2029000000
2002-10-01	-1690000000
2003-01-01	-1675000000
2003-04-01	-1110000000
2003-07-01	-2278000000
2003-10-01	-729000000
2004-01-01	-1381000000
2004-04-01	-806000000
2004-07-01	-1725000000
2004-10-01	-2047000000
2005-01-01	-2385000000
2005-04-01	-2571000000
2005-07-01	-3288000000
2005-10-01	-1708000000
2006-01-01	-3884000000
2006-04-01	-2771000000
2006-07-01	-4083000000
2006-10-01	-2593000000
2007-01-01	-3539000000
2007-04-01	-2292000000
2007-07-01	-3716000000
2007-10-01	-2420000000
2008-01-01	-2359000000
2008-04-01	-1657000000
2008-07-01	-3145000000
2008-10-01	1427000000
2009-01-01	-26000000
2009-04-01	-1291000000
2009-07-01	-2663000000
2009-10-01	-2660000000
2010-01-01	-4068000000
2010-04-01	-200000000
2010-07-01	-1788000000
2010-10-01	-2571000000
2011-01-01	-3261000000
2011-04-01	-1617000000
2011-07-01	-518000000
2011-10-01	-454000000
2012-01-01	-965000000
2012-04-01	3002000000
2012-07-01	2563000000
2012-10-01	1134000000
2013-01-01	-483000000
2013-04-01	3762000000
2013-07-01	1330000000
2013-10-01	1387000000