Quarter	US Dollars, Sum Over Component Sub-periods
1960-01-01	35000000
1960-04-01	55000000
1960-07-01	34000000
1960-10-01	30000000
1961-01-01	34000000
1961-04-01	39000000
1961-07-01	28000000
1961-10-01	33000000
1962-01-01	47000000
1962-04-01	32000000
1962-07-01	62000000
1962-10-01	55000000
1963-01-01	68000000
1963-04-01	49000000
1963-07-01	87000000
1963-10-01	44000000
1964-01-01	66000000
1964-04-01	122000000
1964-07-01	137000000
1964-10-01	12000000
1965-01-01	77000000
1965-04-01	30000000
1965-07-01	30000000
1965-10-01	21000000
1966-01-01	243000000
1966-04-01	76000000
1966-07-01	83000000
1966-10-01	30000000
1967-01-01	46000000
1967-04-01	85000000
1967-07-01	31000000
1967-10-01	16000000
1968-01-01	30000000
1968-04-01	62000000
1968-07-01	61000000
1968-10-01	39000000
1969-01-01	78000000
1969-04-01	59000000
1969-07-01	48000000
1969-10-01	47000000
1970-01-01	46000000
1970-04-01	56000000
1970-07-01	82000000
1970-10-01	76000000
1971-01-01	63000000
1971-04-01	44000000
1971-07-01	73000000
1971-10-01	115000000
1972-01-01	64000000
1972-04-01	40000000
1972-07-01	49000000
1972-10-01	106000000
1973-01-01	-57000000
1973-04-01	62000000
1973-07-01	89000000
1973-10-01	66000000
1974-01-01	2077000000
1974-04-01	72000000
1974-07-01	107000000
1974-10-01	80000000
1975-01-01	105000000
1975-04-01	203000000
1975-07-01	168000000
1975-10-01	134000000
1976-01-01	307000000
1976-04-01	178000000
1976-07-01	296000000
1976-10-01	254000000
1977-01-01	342000000
1977-04-01	269000000
1977-07-01	307000000
1977-10-01	388000000
1978-01-01	558000000
1978-04-01	410000000
1978-07-01	342000000
1978-10-01	316000000
1979-01-01	585000000
1979-04-01	429000000
1979-07-01	466000000
1979-10-01	565000000
1980-01-01	976000000
1980-04-01	647000000
1980-07-01	840000000
1980-10-01	870000000
1981-01-01	1052000000
1981-04-01	633000000
1981-07-01	684000000
1981-10-01	636000000
1982-01-01	855000000
1982-04-01	597000000
1982-07-01	673000000
1982-10-01	792000000
1983-01-01	835000000
1983-04-01	733000000
1983-07-01	822000000
1983-10-01	688000000
1984-01-01	714000000
1984-04-01	642000000
1984-07-01	891000000
1984-10-01	556000000
1985-01-01	880000000
1985-04-01	720000000
1985-07-01	689000000
1985-10-01	523000000
1986-01-01	657000000
1986-04-01	564000000
1986-07-01	695000000
1986-10-01	736000000
1987-01-01	739000000
1987-04-01	745000000
1987-07-01	856000000
1987-10-01	687000000
1988-01-01	819000000
1988-04-01	712000000
1988-07-01	605000000
1988-10-01	616000000
1989-01-01	1196000000
1989-04-01	607000000
1989-07-01	572000000
1989-10-01	708000000
1990-01-01	922000000
1990-04-01	764000000
1990-07-01	615000000
1990-10-01	536000000
1991-01-01	619000000
1991-04-01	815000000
1991-07-01	783000000
1991-10-01	1506000000
1992-01-01	1132000000
1992-04-01	1074000000
1992-07-01	964000000
1992-10-01	969000000
1993-01-01	1609000000
1993-04-01	1072000000
1993-07-01	1198000000
1993-10-01	1473000000
1994-01-01	1890000000
1994-04-01	1997000000
1994-07-01	1691000000
1994-10-01	2607000000
1995-01-01	2217000000
1995-04-01	1824000000
1995-07-01	2010000000
1995-10-01	2332000000
1996-01-01	2683000000
1996-04-01	2686000000
1996-07-01	2792000000
1996-10-01	3123000000
1997-01-01	4175000000
1997-04-01	3056000000
1997-07-01	3702000000
1997-10-01	2980000000
1998-01-01	2475000000
1998-04-01	2670000000
1998-07-01	2680000000
1998-10-01	2510000000
1999-01-01	2731000000
1999-04-01	2801000000
1999-07-01	3084000000
1999-10-01	3308000000
2000-01-01	3445000000
2000-04-01	3192000000
2000-07-01	2655000000
2000-10-01	4142000000
2001-01-01	3116000000
2001-04-01	5227000000
2001-07-01	3119000000
2001-10-01	3271000000
2002-01-01	4239000000
2002-04-01	3604000000
2002-07-01	4009000000
2002-10-01	4239000000
2003-01-01	4983000000
2003-04-01	4396000000
2003-07-01	6140000000
2003-10-01	6313000000
2004-01-01	5313000000
2004-04-01	6133000000
2004-07-01	4274000000
2004-10-01	4073000000
2005-01-01	6305000000
2005-04-01	5906000000
2005-07-01	4993000000
2005-10-01	6438000000
2006-01-01	7350000000
2006-04-01	6881000000
2006-07-01	5857000000
2006-10-01	8628000000
2007-01-01	8713000000
2007-04-01	8196000000
2007-07-01	9300000000
2007-10-01	10934000000
2008-01-01	13516000000
2008-04-01	12143000000
2008-07-01	12942000000
2008-10-01	10151000000
2009-01-01	9562000000
2009-04-01	12875000000
2009-07-01	13817000000
2009-10-01	13039000000
2010-01-01	12574000000
2010-04-01	13028000000
2010-07-01	12977000000
2010-10-01	13578000000
2011-01-01	13802000000