Quarter	US Dollars, Monthly Level
1991-01-01	-2578941575.7072600
1991-04-01	-772265065.0149691
1991-07-01	-2988492648.9421400
1991-10-01	-4576011758.6601300
1992-01-01	-5136251426.4460200
1992-04-01	-2002734529.4263600
1992-07-01	-2016075350.4196300
1992-10-01	135781468.7747860
1993-01-01	2194337306.6251100
1993-04-01	830550145.2531710
1993-07-01	4391048989.3858400
1993-10-01	3544185022.0937600
1994-01-01	1762600000.0000000
1994-04-01	4847000000.0000000
1994-07-01	6115400000.0000000
1994-10-01	4298400000.0000000
1995-01-01	5576800000.0000000
1995-04-01	6402500000.0000000
1995-07-01	4099599999.9999995
1995-10-01	4072199999.9999995
1996-01-01	3776000000.0000000
1996-04-01	4102000000.0000005
1996-07-01	4250700000.0000000
1996-10-01	7642000000.0000000
1997-01-01	4965000000.0000000
1997-04-01	2880000000.0000000
1997-07-01	2898000000.0000000
1997-10-01	3413000000.0000000
1998-01-01	46000000.0000000
1998-04-01	1112000000.0000000
1998-07-01	5690000000.0000000
1998-10-01	9356000000.0000000
1999-01-01	5500000000.0000000
1999-04-01	6090000000.0000000
1999-07-01	8401000000.0000000
1999-10-01	12402000000.0000000
2000-01-01	13422000000.0000000
2000-04-01	14264000000.0000000
2000-07-01	14651000000.0000000
2000-10-01	14752000000.0000000
2001-01-01	13610000000.0000000
2001-04-01	11826000000.0000000
2001-07-01	11649000000.0000000
2001-10-01	8151000000.0000000
2002-01-01	8982000000.0000000
2002-04-01	10767000000.0000000
2002-07-01	12469000000.0000000
2002-10-01	11429000000.0000000
2003-01-01	14281000000.0000000
2003-04-01	12201000000.0000000
2003-07-01	14566000000.0000000
2003-10-01	14798000000.0000000
2004-01-01	16832000000.0000000
2004-04-01	19466000000.0000000
2004-07-01	23198000000.0000000
2004-10-01	24120000000.0000000
2005-01-01	23791000000.0000000
2005-04-01	29813000000.0000000
2005-07-01	31886000000.0000000
2005-10-01	30695000000.0000000
2006-01-01	35668000000.0000000
2006-04-01	36802000000.0000000
2006-07-01	36666000000.0000000
2006-10-01	25159000000.0000000
2007-01-01	27565000000.0000000
2007-04-01	29181000000.0000000
2007-07-01	29061000000.0000000
2007-10-01	37640000000.0000000
2008-01-01	48599000000.0000000
2008-04-01	51219000000.0000000
2008-07-01	51426000000.0000000
2008-10-01	26383000000.0000000
2009-01-01	20034000000.0000000
2009-04-01	21638000000.0000000
2009-07-01	34742000000.0000000
2009-10-01	36818000000.0000000
2010-01-01	45246000000.0000000
2010-04-01	38069000000.0000000
2010-07-01	28031000000.0000000
2010-10-01	35649000000.0000000
2011-01-01	46982000000.0000000
2011-04-01	51171000000.0000000
2011-07-01	45190000000.0000000
2011-10-01	53510000000.0000000
2012-01-01	58790000000.0000000
2012-04-01	49280000000.0000000
2012-07-01	38181000000.0000000
2012-10-01	45412000000.0000000
2013-01-01	48267000000.0000000
2013-04-01	42444000000.0000000
2013-07-01	43353000000.0000000
2013-10-01	46503000000.0000000
2014-01-01	50374000000.0000000
2014-04-01	51410000000.0000000
2014-07-01	45184000000.0000000
2014-10-01	41962000000.0000000
2015-01-01	45551000000.0000000
2015-04-01	43776000000.0000000
2015-07-01	28873000000.0000000
2015-10-01	30200000000.0000000
2016-01-01	22412000000.0000000
2016-04-01	22298000000.0000000
2016-07-01	18367000000.0000000
2016-10-01	27140000000.0000000
2017-01-01	34461000000.0000000
2017-04-01	25213000000.0000000
2017-07-01	20739000000.0000000
2017-10-01	35009000000.0000000
2018-01-01	44051000000.0000000
2018-04-01	45588000000.0000000
2018-07-01	47684000000.0000000