Quarter	US Dollars, Monthly Level
1971-01-01	-231381000.000000000
1971-04-01	-73903000.000000000
1971-07-01	-16197000.000000000
1971-10-01	-22056000.000000000
1972-01-01	-151657000.000000000
1972-04-01	-9525000.000000000
1972-07-01	72016000.000000000
1972-10-01	-151963000.000000000
1973-01-01	-30341000.000000000
1973-04-01	175042000.000000000
1973-07-01	348474000.000000000
1973-10-01	-486213000.000000000
1974-01-01	-1094559000.000000000
1974-04-01	-1471848000.000000000
1974-07-01	-1214280000.000000000
1974-10-01	-909637000.000000000
1975-01-01	-951113000.000000000
1975-04-01	-895773000.000000000
1975-07-01	-732142000.000000000
1975-10-01	-961368000.000000000
1976-01-01	-938662000.000000000
1976-04-01	-495311000.000000000
1976-07-01	-616086000.000000000
1976-10-01	-204620000.000000000
1977-01-01	-159425000.000000000
1977-04-01	397976000.000000000
1977-07-01	-19427000.000000000
1977-10-01	-122361000.000000000
1978-01-01	-360790000.000000000
1978-04-01	-67985000.000000000
1978-07-01	-508986999.999999940
1978-10-01	-86440000.000000000
1979-01-01	-433820000.000000000
1979-04-01	-299429000.000000000
1979-07-01	-883627000.000000000
1979-10-01	-1222608000.000000000
1980-01-01	-1368791000.000000000
1980-04-01	-670602000.000000000
1980-07-01	-836186000.000000000
1980-10-01	52811000.000000000
1981-01-01	-419685000.000000000
1981-04-01	108904000.000000000
1981-07-01	532012000.000000060
1981-10-01	981224000.000000000
1982-01-01	48848000.000000000
1982-04-01	99359000.000000000
1982-07-01	206425000.000000000
1982-10-01	425441000.000000000
1983-01-01	721548000.000000000
1983-04-01	2069129000.000000200
1983-07-01	2062186000.000000000
1983-10-01	1617526000.000000000
1984-01-01	2381165000.000000000
1984-04-01	3596103000.000000000
1984-07-01	3628092000.000000000
1984-10-01	3484155000.000000000
1985-01-01	1902753000.000000000
1985-04-01	3540921000.000000000
1985-07-01	3626649000.000000000
1985-10-01	3415197000.000000000
1986-01-01	2460449000.000000000
1986-04-01	3699312000.000000000
1986-07-01	2484049000.000000000
1986-10-01	-339511000.000000000
1987-01-01	586669854.000000000
1987-04-01	2892061464.000000000
1987-07-01	4382883010.000000000
1987-10-01	3311484096.000000000
1988-01-01	3173480916.000000000
1988-04-01	5471483458.000000000
1988-07-01	5969606758.000000000
1988-10-01	4569540089.000000000
1989-01-01	4180170620.000000000
1989-04-01	4803632348.000000000
1989-07-01	4136116761.000000500
1989-10-01	2999267243.000000000
1990-01-01	1910184334.000000000
1990-04-01	4034200580.000000500
1990-07-01	3261402115.000000000
1990-10-01	1546606972.000000000
1991-01-01	3481251235.000000000
1991-04-01	3711905565.000000000
1991-07-01	1821503565.000000000
1991-10-01	1565308286.000000000
1992-01-01	3213460499.000000000
1992-04-01	3826068259.000000000
1992-07-01	4259733073.999999500
1992-10-01	3939632961.000000000
1993-01-01	3980890195.000000000
1993-04-01	3143575747.000000000
1993-07-01	3042079754.000000000
1993-10-01	3132202424.000000000
1994-01-01	2828154394.000000000
1994-04-01	3949265687.000000000
1994-07-01	4251023355.000000000
1994-10-01	-561964706.000000000
1995-01-01	-2287171264.000000000
1995-04-01	-1938607991.000000000
1995-07-01	577362668.000000000
1995-10-01	182802794.000000000
1996-01-01	-465237410.000000000
1996-04-01	126138749.000000000
1996-07-01	-1261764188.000000000
1996-10-01	-3998176149.000000000
1997-01-01	-795510802.000000000
1997-04-01	-1261922875.000000000
1997-07-01	-1622654138.000000000
1997-10-01	-2857256931.000000000
1998-01-01	-1819248423.000000000
1998-04-01	36073493.000000000
1998-07-01	-1779135470.000000000
1998-10-01	-2957993562.000000000
1999-01-01	-810770808.000000000
1999-04-01	181619140.000000000
1999-07-01	-154611516.000000000
1999-10-01	-451971833.000000000
2000-01-01	-16199818.000000002
2000-04-01	816068623.000000000
2000-07-01	-105068552.000000000
2000-10-01	-1567572479.000000000
2001-01-01	-651231810.000000000
2001-04-01	629130934.000000000
2001-07-01	1357234801.000000000
2001-10-01	1348523132.000000000
2002-01-01	1042749481.000000000
2002-04-01	1565239147.000000000
2002-07-01	5286617350.000000000
2002-10-01	5255719513.000000000
2003-01-01	3790502585.000000000
2003-04-01	6574999501.000000000
2003-07-01	7393184762.000000000
2003-10-01	6946411006.000000000
2004-01-01	6116298423.000000000
2004-04-01	8838038068.000000000
2004-07-01	10041799991.000000000
2004-10-01	8591542415.000000000
2005-01-01	8442972910.000000000
2005-04-01	11486459805.000000000
2005-07-01	13060185655.000000000
2005-10-01	12234846711.000000000
2006-01-01	9332931375.000000000
2006-04-01	10214821828.000000000
2006-07-01	14690446651.000000000
2006-10-01	12277041555.000000000
2007-01-01	8825405039.000000000
2007-04-01	11886056246.000000000
2007-07-01	10346578657.000000000
2007-10-01	8988459840.000000000
2008-01-01	2698419957.000000000
2008-04-01	8453136393.999999000
2008-07-01	8291029636.999999000
2008-10-01	5217683312.000000000
2009-01-01	2962931072.000000000
2009-04-01	10878874514.000000000
2009-07-01	7223795619.000000000
2009-10-01	4032825279.000000000
2010-01-01	841156462.000000000
2010-04-01	6980544975.000000000
2010-07-01	4789115702.000000000
2010-10-01	7402550518.000000000
2011-01-01	3113680705.000000000
2011-04-01	9796482565.000000000
2011-07-01	10089178674.000000000
2011-10-01	6692742785.000000000
2012-01-01	2265276090.000000000
2012-04-01	4572990533.000000000
2012-07-01	8572572470.000001000
2012-10-01	3499747074.000000000
2013-01-01	-5172949651.000000000
2013-04-01	2064451221.000000000
2013-07-01	1264680185.000000000
2013-10-01	4130148368.999999500
2014-01-01	-6095150327.000000000
2014-04-01	3556289948.000000000
2014-07-01	1773935278.000000000
2014-10-01	-3388516985.000000000
2015-01-01	-5577080369.000000000
2015-04-01	7751332728.000000000
2015-07-01	8001069578.999999000
2015-10-01	9336765642.000000000
2016-01-01	8378343907.000000000
2016-04-01	15258701280.000000000
2016-07-01	12513302203.000000000
2016-10-01	11495937935.000000000
2017-01-01	14402121061.000000000
2017-04-01	21808042327.000000000
2017-07-01	17048083431.999998000
2017-10-01	13731477225.000000000
2018-01-01	12246433186.000000000
2018-04-01	17594062722.000000000
2018-07-01	11889343554.000000000