Quarterly 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