Quarter	US Dollars, Monthly Level
1990-01-01	5809870000.000000
1990-04-01	5355394000.000000
1990-07-01	6539270000.000000
1990-10-01	7970792000.000000
1991-01-01	7030127000.000000
1991-04-01	7077186000.000000
1991-07-01	7393830000.000000
1991-10-01	7641238000.000000
1992-01-01	7472009000.000000
1992-04-01	7786878000.000000
1992-07-01	8590829000.000000
1992-10-01	10117292000.000000
1993-01-01	8902907000.000000
1993-04-01	9056597000.000000
1993-07-01	9238201000.000000
1993-10-01	9625093000.000000
1994-01-01	8498386999.999999
1994-04-01	9911385000.000000
1994-07-01	10588345000.000000
1994-10-01	11055305000.000000
1995-01-01	10174980000.000000
1995-04-01	11069872000.000000
1995-07-01	11668511000.000000
1995-10-01	12504853000.000000
1996-01-01	11240985856.000000
1996-04-01	12241340439.000000
1996-07-01	12721387855.000000
1996-10-01	13611040334.000000
1997-01-01	12404754639.000000
1997-04-01	13105277213.000000
1997-07-01	13992325129.000000
1997-10-01	13941245271.000000
1998-01-01	12515942748.000000
1998-04-01	12053264956.000000
1998-07-01	12680095752.000000
1998-10-01	11598335139.000000
1999-01-01	10165810502.000000
1999-04-01	11522423415.000000
1999-07-01	13394772254.000000
1999-10-01	13582446347.000000
2000-01-01	14139281387.000000
2000-04-01	15216125872.000000
2000-07-01	16739921099.000000
2000-10-01	16028687823.999998
2001-01-01	14866905514.000000
2001-04-01	14482973624.000000
2001-07-01	14339642563.000000
2001-10-01	12631583203.000000
2002-01-01	12839688910.000000
2002-04-01	14621478391.000000
2002-07-01	15071809389.000000
2002-10-01	14626294926.000000
2003-01-01	15140177753.000000
2003-04-01	15312936274.000000
2003-07-01	15351566507.000000
2003-10-01	15253566461.000000
2004-01-01	15037641830.000000
2004-04-01	16797037776.000000
2004-07-01	19599213412.000000
2004-10-01	20150715778.000000
2005-01-01	19878585740.000000
2005-04-01	20870057398.000000
2005-07-01	21950716883.000000
2005-10-01	22960592594.000000
2006-01-01	22452046422.000000
2006-04-01	24465102990.000000
2006-07-01	26635940179.000000
2006-10-01	27245534689.000000
2007-01-01	25581853424.000000
2007-04-01	28278049679.000000
2007-07-01	29150985677.000000
2007-10-01	31090001971.000000
2008-01-01	33746007788.000000
2008-04-01	36650370180.000000
2008-07-01	37271925683.000000
2008-10-01	29352120751.000000
2009-01-01	23029154790.000000
2009-04-01	27044210057.000000
2009-07-01	30067900000.000000
2009-10-01	36370000000.000000
2010-01-01	35536683440.000000
2010-04-01	36984487367.000000
2010-07-01	38395123165.000000
2010-10-01	46862809498.000000
2011-01-01	45387480000.000000
2011-04-01	53228540000.000000
2011-07-01	53609710000.000000
2011-10-01	51270890000.000000
2012-01-01	48517032000.000000
2012-04-01	48444194470.000000
2012-07-01	46035718410.000000
2012-10-01	47030000000.000000
2013-01-01	45415693320.000000
2013-04-01	45653069474.000000
2013-07-01	42878349680.000000
2013-10-01	48604686223.000000
2014-01-01	44299561400.000000
2014-04-01	44525671502.000000
2014-07-01	43881645001.000000
2014-10-01	43273959003.000000
2015-01-01	39051721626.000000
2015-04-01	39373357727.000000
2015-07-01	36780176642.000000
2015-10-01	35161035508.000000
2016-01-01	33710745505.000000
2016-04-01	36413277742.000000
2016-07-01	34983175547.000000
2016-10-01	40079012453.000000
2017-01-01	40732134590.000000
2017-04-01	39264925523.000000
2017-07-01	43379269608.000000
2017-10-01	45451846217.000000
2018-01-01	44272904957.000000
2018-04-01	43720892525.000000
2018-07-01	47088130336.000000
