Month	Dollars
1981-01-01	1593000000
1981-02-01	1300000000
1981-03-01	1658000000
1981-04-01	1700000000
1981-05-01	1308000000
1981-06-01	1872000000
1981-07-01	1967000000
1981-08-01	1982000000
1981-09-01	2028000000
1981-10-01	2139000000
1981-11-01	1988000000
1981-12-01	2472000000
1982-01-01	1731063000
1982-02-01	1601188500
1982-03-01	1860819400
1982-04-01	1657756900
1982-05-01	1851135500
1982-06-01	1887190300
1982-07-01	1731129100
1982-08-01	1702171600
1982-09-01	1948318300
1982-10-01	1765714900
1982-11-01	1790281300
1982-12-01	2345481700
1983-01-01	1525962200
1983-02-01	1249808700
1983-03-01	1723963600
1983-04-01	1690821300
1983-05-01	1979649400
1983-06-01	1829605400
1983-07-01	2091713600
1983-08-01	2040404000
1983-09-01	1640254400
1983-10-01	1967681100
1983-11-01	1910507800
1983-12-01	2526548900
1984-01-01	1788163800
1984-02-01	1628427000
1984-03-01	2154503100
1984-04-01	1967354400
1984-05-01	2208881400
1984-06-01	2115541100
1984-07-01	2061990500
1984-08-01	2250137500
1984-09-01	2001895300
1984-10-01	2206227500
1984-11-01	2002554900
1984-12-01	2445233200
1985-01-01	1602107700
1985-02-01	1504371500
1985-03-01	2431568200
1985-04-01	1985146600
1985-05-01	2208955200
1985-06-01	2071615700
1985-07-01	2251374500
1985-08-01	2270613000
1985-09-01	2322284500
1985-10-01	2490789900
1985-11-01	2442605000
1985-12-01	3745119500
1986-01-01	1842886100
1986-02-01	1880261900
1986-03-01	2123287700
1986-04-01	2411029000
1986-05-01	2535687500
1986-06-01	2759481800
1986-07-01	2677148000
1986-08-01	2697375500
1986-09-01	2660119800
1986-10-01	3016359900
1986-11-01	2700088700
1986-12-01	3844603900
1987-01-01	1757072600
1987-02-01	2517396100
1987-03-01	3003680700
1987-04-01	2888154500
1987-05-01	3043980500
1987-06-01	3420112300
1987-07-01	3258913000
1987-08-01	3237419700
1987-09-01	3387872400
1987-10-01	3549071800
1987-11-01	3809677300
1987-12-01	5668842900
1988-01-01	2683968700
1988-02-01	2726955200
1988-03-01	3530265200
1988-04-01	3995056600
1988-05-01	4392681600
1988-06-01	3729077700
1988-07-01	3852663800
1988-08-01	4016549800
1988-09-01	3981623300
1988-10-01	4255662100
1988-11-01	3997743200
1988-12-01	6378119900
1989-01-01	2810241500
1989-02-01	2915021100
1989-03-01	3930576800
1989-04-01	3935950100
1989-05-01	4427608100
1989-06-01	4220735600
1989-07-01	4403428200
1989-08-01	4811799800
1989-09-01	4744633400
1989-10-01	4612987300
1989-11-01	4822546400
1989-12-01	5990750800
1990-01-01	2839838200
1990-02-01	3250672400
1990-03-01	4690709600
1990-04-01	4798712400
1990-05-01	4934245400
1990-06-01	5118485400
1990-07-01	5118485400
1990-08-01	5506024900
1990-09-01	5095190700
1990-10-01	5849092600
1990-11-01	5519231500
1990-12-01	8199766400
1991-01-01	3977327100
1991-02-01	4059669500
1991-03-01	5342678200
1991-04-01	5165308900
1991-05-01	5766009900
1991-06-01	5727094400
1991-07-01	6217906800
1991-08-01	6306793800
1991-09-01	6048199500
1991-10-01	6060606100
1991-11-01	6406576900
1991-12-01	9212835500
1992-01-01	3991000000
1992-02-01	4970000000
1992-03-01	6000000000
1992-04-01	6349000000
1992-05-01	6601000000
1992-06-01	7658000000
1992-07-01	7159000000
1992-08-01	7650000000
1992-09-01	7064000000
1992-10-01	7686000000
1992-11-01	8527000000
1992-12-01	11323000000
1993-01-01	3357000000
1993-02-01	5823000000
1993-03-01	6906000000
1993-04-01	6895000000
1993-05-01	7213000000
1993-06-01	6948000000
1993-07-01	7627000000
1993-08-01	7638000000
1993-09-01	8842000000
1993-10-01	8052000000
1993-11-01	8946000000
1993-12-01	13486429700
1994-01-01	4881000000
1994-02-01	5733000000
1994-03-01	8488000000
1994-04-01	8935000000
1994-05-01	9491000000
1994-06-01	10900000000
1994-07-01	10346000000
1994-08-01	10110000000
1994-09-01	10436000000
1994-10-01	10430000000
1994-11-01	12569000000
1994-12-01	18508000000
1995-01-01	9179000000
1995-02-01	8885000000
1995-03-01	12880000000
1995-04-01	11991000000
1995-05-01	12817000000
1995-06-01	14037000000
1995-07-01	12268000000
1995-08-01	12520000000
1995-09-01	12431000000
1995-10-01	12344000000
1995-11-01	12179000000
1995-12-01	17244000000
1996-01-01	9175000000
1996-02-01	8654000000
1996-03-01	10407000000
1996-04-01	11382000000
1996-05-01	12155000000
1996-06-01	12266000000
1996-07-01	12426000000
1996-08-01	14134000000
1996-09-01	13419000000
1996-10-01	15219000000
1996-11-01	13621000000
1996-12-01	18326000000
1997-01-01	11692000000
1997-02-01	9847000000
1997-03-01	14046000000
1997-04-01	14795000000
1997-05-01	15192000000
1997-06-01	15373000000
1997-07-01	15583000000
1997-08-01	16027000000
1997-09-01	16563000000
1997-10-01	17817000000
1997-11-01	16752000000
1997-12-01	19190000000
1998-01-01	12676000000
1998-02-01	12158000000
1998-03-01	15238000000
1998-04-01	15952000000
1998-05-01	14927000000
1998-06-01	15609000000
1998-07-01	16157000000
1998-08-01	15557000000
1998-09-01	15476000000
1998-10-01	14730000000
1998-11-01	15100000000
1998-12-01	20009000000
1999-01-01	11390000000
1999-02-01	11000000000
1999-03-01	14900000000
1999-04-01	14800000000
1999-05-01	15529000000
1999-06-01	15398000000
1999-07-01	17300000000
1999-08-01	18325000000
1999-09-01	18576000000
1999-10-01	18200000000
1999-11-01	19500000000
1999-12-01	20232000000
2000-01-01	16797000000
2000-02-01	14800000000
2000-03-01	20100000000
2000-04-01	20500000000
2000-05-01	20105000000
2000-06-01	22190000000
2000-07-01	21500000000
2000-08-01	23329000000
2000-09-01	22973000000
2000-10-01	22800000000
2000-11-01	22200000000
2000-12-01	22000000000
2001-01-01	16801000000
2001-02-01	18982000000
2001-03-01	23025000000
2001-04-01	22797000000
2001-05-01	20821000000
2001-06-01	22078000000
2001-07-01	22810000000
2001-08-01	23532000000
2001-09-01	23981000000
2001-10-01	22780000000
2001-11-01	23996000000
2001-12-01	24496000000
2002-01-01	21693000000
2002-02-01	19136000000
2002-03-01	23833000000
2002-04-01	26728000000
2002-05-01	24640000000
2002-06-01	25997000000
2002-07-01	29189000000
2002-08-01	29413000000
2002-09-01	31935000000
2002-10-01	29936000000
2002-11-01	31205000000
2002-12-01	31890000000
2003-01-01	29754000000
2003-02-01	24450000000
2003-03-01	32083000000
2003-04-01	35589000000
2003-05-01	33786000000
2003-06-01	34463000000
2003-07-01	38088000000
2003-08-01	37395000000
2003-09-01	41921000000
2003-10-01	40893000000
2003-11-01	41749000000
2003-12-01	48058000000
2004-01-01	35710000000
2004-02-01	34048000000
2004-03-01	45845000000
2004-04-01	47109000000
2004-05-01	44844000000
2004-06-01	50521000000
2004-07-01	50955000000
2004-08-01	51346000000
2004-09-01	55753000000
2004-10-01	52508000000
2004-11-01	60900000000
2004-12-01	63790000000
2005-01-01	50729000000
2005-02-01	44277000000
2005-03-01	60846000000
2005-04-01	62085000000
2005-05-01	58424000000
2005-06-01	65933000000
2005-07-01	65536000000
2005-08-01	68394000000
2005-09-01	70178000000
2005-10-01	68092000000
2005-11-01	72220000000
2005-12-01	75412000000
2006-01-01	64989000000
2006-02-01	54110000000
2006-03-01	78080000000
2006-04-01	76950000000
2006-05-01	73110000000
2006-06-01	81310000000
2006-07-01	80340000000
2006-08-01	90770000000
2006-09-01	91630000000
2006-10-01	88130000000
2006-11-01	95850000000
2006-12-01	94090000000
2007-01-01	86620000000
2007-02-01	82100000000
2007-03-01	83420000000
2007-04-01	97450000000
2007-05-01	94070000000
2007-06-01	103270000000
2007-07-01	107740000000
2007-08-01	111370000000
2007-09-01	112340000000
2007-10-01	107723989000
2007-11-01	117620000000
2007-12-01	114420000000
2008-01-01	109640000000
2008-02-01	87370000000
2008-03-01	108960000000
2008-04-01	118720000000
2008-05-01	120550000000
2008-06-01	121170000000
2008-07-01	136630000000
2008-08-01	134820000000
2008-09-01	136410000000
2008-10-01	128230000000
2008-11-01	114980000000
2008-12-01	111160000000
2009-01-01	90482000000
2009-02-01	64866000000
2009-03-01	90219000000
2009-04-01	91923000000
2009-05-01	88698000000
2009-06-01	95458000000
2009-07-01	105391000000
2009-08-01	103663000000
2009-09-01	115865000000
2009-10-01	110642000000
2009-11-01	113659000000
2009-12-01	130740000000
2010-01-01	109490000000
2010-02-01	94463000000
2010-03-01	112059000000
2010-04-01	119851000000
2010-05-01	131661000000
2010-06-01	137339000000
2010-07-01	145434000000
2010-08-01	139236000000
2010-09-01	144923000000
2010-10-01	135918000000
2010-11-01	153279000000
2010-12-01	154101000000
2011-01-01	150688000000
2011-02-01	96708000000
2011-03-01	152130000000
2011-04-01	155590000000
2011-05-01	157050000000
2011-06-01	161890000000
2011-07-01	175150000000
2011-08-01	173240000000
2011-09-01	169580000000
2011-10-01	157360000000
2011-11-01	174390000000
2011-12-01	174620000000
2012-01-01	149862000000
2012-02-01	114409000000
2012-03-01	165578000000
2012-04-01	163131000000
2012-05-01	181033000000
2012-06-01	180204470000
2012-07-01	176940032000
2012-08-01	177973297000
2012-09-01	186349509000
2012-10-01	175571102000
2012-11-01	179380767000
2012-12-01	199229682000
2013-01-01	187365572000
2013-02-01	139367235000
2013-03-01	182189999000
2013-04-01	187061474000
2013-05-01	182766116000
2013-06-01	174315796000
2013-07-01	185991317000
2013-08-01	190608317000
2013-09-01	185643576000
2013-10-01	185405576000
2013-11-01	202204803000
2013-12-01	207742423000
2014-01-01	207132123000
2014-02-01	114093694000
2014-03-01	170107988000
2014-04-01	188540548000
2014-05-01	195472920000
2014-06-01	186788537000
2014-07-01	212891063000
2014-08-01	208465863000
2014-09-01	213687462000
2014-10-01	206866715000
2014-11-01	211662669000
2014-12-01	227512544000
2015-01-01	200258035000
2015-02-01	169190546000
2015-03-01	144568557000
2015-04-01	176330816000
2015-05-01	190057568000
2015-06-01	191975441000
2015-07-01	195096520000
2015-08-01	196868247000
2015-09-01	205554591000
2015-10-01	192395789000
2015-11-01	196463224000
2015-12-01	223683502000
2016-01-01	177185706000
2016-02-01	126144745000
2016-03-01	160813329000
2016-04-01	172757807000
2016-05-01	181059364000
2016-06-01	180183971000
2016-07-01	182642116000
2016-08-01	190592312000
2016-09-01	184498014000
2016-10-01	177867030000
2016-11-01	193546446000
2016-12-01	209417479000
2017-01-01	182339185000
2017-02-01	119253933300
2017-03-01	178575913200
2017-04-01	178517901100
2017-05-01	189350589600
2017-06-01	197431095400
2017-07-01	194108230400
2017-08-01	201227121000
2017-09-01	201948863100
2017-10-01	188485876500
2017-11-01	216476476500
2017-12-01	232651606500
2018-01-01	206252458200
2018-02-01	176289649300
2018-03-01	175267660900
2018-04-01	201188217400
2018-05-01	210423734100