Quarter	US Dollars, Monthly Level
1990-01-01	4501326000.000000
1990-04-01	4552669000.000000
1990-07-01	6076455000.000000
1990-10-01	6746818000.000000
1991-01-01	6245065000.000000
1991-04-01	6664001000.000000
1991-07-01	6084927000.000000
1991-10-01	6874849000.000000
1992-01-01	6550272000.000000
1992-04-01	6860249000.000000
1992-07-01	6783131000.000000
1992-10-01	7085977000.000000
1993-01-01	6349744000.000000
1993-04-01	7016985000.000000
1993-07-01	7342490000.000000
1993-10-01	7618621000.000000
1994-01-01	6977199000.000000
1994-04-01	7775743000.000000
1994-07-01	8256698000.000000
1994-10-01	8973064000.000000
1995-01-01	8954532000.000000
1995-04-01	10318454000.000000
1995-07-01	11114095000.000000
1995-10-01	10241648000.000000
1996-01-01	9617301201.000000
1996-04-01	11643699987.000000
1996-07-01	10668285137.000000
1996-10-01	10999217718.000000
1997-01-01	10660918864.000000
1997-04-01	10737748554.000000
1997-07-01	10389093455.000000
1997-10-01	9892022099.000000
1998-01-01	7205570163.000000
1998-04-01	6097029835.000000
1998-07-01	6857668075.000000
1998-10-01	7176603594.000000
1999-01-01	5557315871.000000
1999-04-01	5977314796.000000
1999-07-01	6205678006.000000
1999-10-01	6262869658.000000
2000-01-01	6555041938.000000
2000-04-01	7195911903.000000
2000-07-01	9369982683.000000
2000-10-01	10393868896.000000
2001-01-01	9212984894.000000
2001-04-01	8532207039.999999
2001-07-01	6935533858.000000
2001-10-01	6281915279.000000
2002-01-01	6633009022.000000
2002-04-01	7320140030.000000
2002-07-01	8330396554.000000
2002-10-01	9005907488.000000
2003-01-01	8375280089.000000
2003-04-01	7644539877.000000
2003-07-01	8045748839.000000
2003-10-01	8485115480.999999
2004-01-01	10202026754.000000
2004-04-01	10760865965.000000
2004-07-01	12537021597.000000
2004-10-01	13024617042.000000
2005-01-01	13580161368.000000
2005-04-01	14883182565.000000
2005-07-01	15393824097.000000
2005-10-01	13843714586.000000
2006-01-01	13327012270.000000
2006-04-01	15601799653.000000
2006-07-01	16776231112.000002
2006-10-01	15360422501.000000
2007-01-01	15593248577.000000
2007-04-01	18113828825.000000
2007-07-01	20068413869.000000
2007-10-01	20697938847.000000
2008-01-01	29727571165.000000
2008-04-01	35421439628.000000
2008-07-01	36492102634.000000
2008-10-01	27556192797.000000
2009-01-01	19093741739.000000
2009-04-01	22283523999.000000
2009-07-01	26910600000.000000
2009-10-01	28540000000.000000
2010-01-01	29961239745.000000
2010-04-01	32976139624.000000
2010-07-01	34451614166.000000
2010-10-01	38274290513.000000
2011-01-01	38800000000.000000
2011-04-01	44790000000.000000
2011-07-01	46450000000.000000
2011-10-01	46400000000.000000
2012-01-01	45747066370.000000
2012-04-01	50702133240.000000
2012-07-01	45516883560.000000
2012-10-01	49730000000.000000
2013-01-01	45650597198.000000
2013-04-01	48760048099.000000
2013-07-01	45938812446.000000
2013-10-01	46279212137.000000
2014-01-01	43230609095.000000
2014-04-01	46723055535.000000
2014-07-01	44421043509.000000
2014-10-01	43804108466.000000
2015-01-01	36731451955.000000
2015-04-01	37217956022.000000
2015-07-01	34039712924.000000
2015-10-01	34705683322.000000
2016-01-01	31944336750.000000
2016-04-01	34049524945.000000
2016-07-01	32699823926.999996
2016-10-01	36959130879.000000
2017-01-01	36616362971.000000
2017-04-01	35714733727.000000
2017-07-01	40187298001.000000
2017-10-01	44467169023.000000
2018-01-01	43958524077.000000
2018-04-01	45093063569.000000
2018-07-01	49725310731.000000
