Month	Dollars
1992-01-01	2569200000
1992-02-01	2621000000
1992-03-01	2957700000
1992-04-01	3148200000
1992-05-01	3517800000
1992-06-01	3933400000
1992-07-01	3340200000
1992-08-01	3455700000
1992-09-01	3664700000
1992-10-01	4056500000
1992-11-01	4368500000
1992-12-01	4743400000
1993-01-01	2698000000
1993-02-01	2892900000
1993-03-01	3042800000
1993-04-01	3167400000
1993-05-01	3625000000
1993-06-01	3902000000
1993-07-01	3387500000
1993-08-01	3678700000
1993-09-01	4084800000
1993-10-01	3729700000
1993-11-01	4608700000
1993-12-01	5479900000
1994-01-01	4101000000
1994-02-01	4505000000
1994-03-01	4687000000
1994-04-01	4831000000
1994-05-01	5947000000
1994-06-01	6577000000
1994-07-01	5794000000
1994-08-01	6195000000
1994-09-01	6699000000
1994-10-01	5883000000
1994-11-01	6157000000
1994-12-01	6450000000
1995-01-01	5741000000
1995-02-01	6347000000
1995-03-01	6971000000
1995-04-01	6705000000
1995-05-01	6930000000
1995-06-01	7014000000
1995-07-01	6631000000
1995-08-01	6656000000
1995-09-01	7207000000
1995-10-01	7153000000
1995-11-01	7779000000
1995-12-01	7779000000
1996-01-01	5922000000
1996-02-01	6958000000
1996-03-01	7992000000
1996-04-01	7190000000
1996-05-01	7690000000
1996-06-01	7060000000
1996-07-01	7475000000
1996-08-01	7174000000
1996-09-01	7268000000
1996-10-01	8761000000
1996-11-01	8235000000
1996-12-01	8838000000
1997-01-01	6708000000
1997-02-01	6486000000
1997-03-01	7096000000
1997-04-01	6838000000
1997-05-01	6610000000
1997-06-01	6824000000
1997-07-01	7502000000
1997-08-01	6953000000
1997-09-01	7072000000
1997-10-01	7852000000
1997-11-01	8152000000
1997-12-01	8802000000
1998-01-01	5706000000
1998-02-01	5682000000
1998-03-01	6555000000
1998-04-01	6162000000
1998-05-01	6045000000
1998-06-01	6437000000
1998-07-01	6653000000
1998-08-01	6175000000
1998-09-01	6339000000
1998-10-01	5867000000
1998-11-01	5748000000
1998-12-01	7074000000
1999-01-01	4506000000
1999-02-01	4933000000
1999-03-01	5834000000
1999-04-01	6557000000
1999-05-01	5133000000
1999-06-01	5395000000
1999-07-01	6280000000
1999-08-01	6165000000
1999-09-01	6436000000
1999-10-01	6979000000
1999-11-01	7607000000
1999-12-01	9726000000
2000-01-01	6801000000
2000-02-01	7950000000
2000-03-01	9142000000
2000-04-01	8255000000
2000-05-01	8469000000
2000-06-01	8733000000
2000-07-01	8576000000
2000-08-01	9106000000
2000-09-01	8954000000
2000-10-01	8897000000
2000-11-01	10052000000
2000-12-01	10101000000
2001-01-01	8366000000
2001-02-01	8245000000
2001-03-01	8949000000
2001-04-01	8461000000
2001-05-01	8535000000
2001-06-01	9157000000
2001-07-01	8080000000
2001-08-01	9026000000
2001-09-01	8489000000
2001-10-01	7987000000
2001-11-01	8370000000
2001-12-01	8221000000
2002-01-01	6732000000
2002-02-01	6675000000
2002-03-01	8479000000
2002-04-01	9498000000
2002-05-01	8566000000
2002-06-01	8228000000
2002-07-01	9273000000
2002-08-01	9951000000
2002-09-01	9705000000
2002-10-01	9904000000
2002-11-01	9254000000
2002-12-01	11037000000
2003-01-01	9627000000
2003-02-01	9861000000
2003-03-01	11592000000
2003-04-01	10172000000
2003-05-01	10452000000
2003-06-01	11126000000
2003-07-01	11402000000
2003-08-01	11988000000
2003-09-01	11555000000
2003-10-01	12647000000
2003-11-01	11541000000
2003-12-01	13967000000
2004-01-01	11254000000
2004-02-01	12079000000
2004-03-01	13956000000
2004-04-01	14712000000
2004-05-01	13615000000
2004-06-01	14862000000
2004-07-01	15439000000
2004-08-01	16759000000
2004-09-01	16271000000
2004-10-01	17208000000
2004-11-01	17807000000
2004-12-01	19247000000
2005-01-01	13675000000
2005-02-01	15867000000
2005-03-01	19549000000
2005-04-01	19515000000
2005-05-01	20047000000
2005-06-01	19131000000
2005-07-01	21191000000
2005-08-01	21378000000
2005-09-01	21402000000
2005-10-01	21831000000
2005-11-01	21792000000
2005-12-01	24647000000
2006-01-01	20524000000
2006-02-01	21449000000
2006-03-01	24439000000
2006-04-01	23652000000
2006-05-01	26770000000
2006-06-01	25137000000
2006-07-01	25482000000
2006-08-01	27853000000
2006-09-01	25392000000
2006-10-01	24049000000
2006-11-01	24382000000
2006-12-01	28354000000
2007-01-01	21287000000
2007-02-01	22945000000
2007-03-01	25945000000
2007-04-01	26994000000
2007-05-01	28681000000
2007-06-01	26194000000
2007-07-01	29083000000
2007-08-01	30318000000
2007-09-01	27680000000
2007-10-01	34437000000
2007-11-01	35197000000
2007-12-01	37769000000
2008-01-01	33870000000
2008-02-01	35095000000
2008-03-01	39407000000
2008-04-01	40525000000
2008-05-01	42478000000
2008-06-01	43024000000
2008-07-01	46546000000
2008-08-01	44952000000
2008-09-01	42974000000
2008-10-01	38383000000
2008-11-01	29353000000
2008-12-01	29692000000
2009-01-01	18868000000
2009-02-01	17419000000
2009-03-01	21467000000
2009-04-01	18836000000
2009-05-01	21159000000
2009-06-01	23573000000
2009-07-01	26166000000
2009-08-01	26805000000
2009-09-01	28613000000
2009-10-01	30162000000
2009-11-01	30400000000
2009-12-01	33687000000
2010-01-01	26977000000
2010-02-01	30094000000
2010-03-01	32992000000
2010-04-01	32693000000
2010-05-01	31106000000
2010-06-01	31554000000
2010-07-01	30726000000
2010-08-01	31260000000
2010-09-01	33670000000
2010-10-01	34589000000
2010-11-01	34506000000
2010-12-01	42507000000
2011-01-01	29590000000
2011-02-01	39623000000
2011-03-01	42461000000
2011-04-01	45803000000
2011-05-01	44039000000
2011-06-01	43656000000
2011-07-01	41435000000
2011-08-01	43842000000
2011-09-01	43037000000
2011-10-01	45247000000
2011-11-01	46427000000
2011-12-01	50248000000
2012-01-01	39497000000
2012-02-01	44877000000
2012-03-01	46658000000
2012-04-01	44903000000
2012-05-01	45473000000
2012-06-01	40810000000
2012-07-01	41155000000
2012-08-01	41119000000
2012-09-01	42930000000
2012-10-01	46540000000
2012-11-01	45268000000
2012-12-01	48203000000
2013-01-01	38714000000
2013-02-01	41763000000
2013-03-01	44356000000
2013-04-01	44333000000
2013-05-01	40879000000
2013-06-01	41707000000
2013-07-01	43585000000
2013-08-01	42399000000
2013-09-01	44675000000
2013-10-01	43390000000
2013-11-01	46669000000
2013-12-01	49366000000
2014-01-01	39529000000
2014-02-01	36339000000
2014-03-01	46944000000
2014-04-01	47522000000
2014-05-01	43945000000
2014-06-01	40600000000
2014-07-01	46185000000
2014-08-01	41413000000
2014-09-01	38054000000
2014-10-01	41502000000
2014-11-01	36681000000
2014-12-01	38093000000
2015-01-01	27895000000
2015-02-01	29389000000
2015-03-01	32894000000
2015-04-01	30703000000
2015-05-01	30646000000
2015-06-01	30075000000
2015-07-01	27304000000
2015-08-01	25114000000
2015-09-01	26342000000
2015-10-01	26960000000
2015-11-01	25397000000
2015-12-01	28746000000
2016-01-01	17134000000
2016-02-01	20118000000
2016-03-01	23172000000
2016-04-01	21737000000
2016-05-01	22029000000
2016-06-01	24021000000
2016-07-01	22428000000
2016-08-01	23087000000
2016-09-01	25368000000
2016-10-01	24734000000
2016-11-01	26558000000
2016-12-01	31295000000
2017-01-01	25441000000
2017-02-01	25818000000
2017-03-01	31329000000
2017-04-01	26097000000
2017-05-01	28253000000
2017-06-01	29520000000
2017-07-01	24685000000
2017-08-01	29070000000
2017-09-01	30818000000
2017-10-01	31489000000
2017-11-01	33348000000
2017-12-01	37107000000
2018-01-01	33398000000
2018-02-01	31197000000
2018-03-01	36897000000