Month	Millions of Dollars
1997-01-01	11644.900000000000
1997-02-01	11764.700000000000
1997-03-01	13616.900000000000
1997-04-01	13577.400000000000
1997-05-01	13528.900000000000
1997-06-01	13183.100000000000
1997-07-01	14865.800000000000
1997-08-01	12521.800000000000
1997-09-01	12894.200000000000
1997-10-01	15134.000000000000
1997-11-01	13311.300000000000
1997-12-01	14853.000000000000
1998-01-01	12883.400000000000
1998-02-01	12954.500000000000
1998-03-01	15970.600000000000
1998-04-01	15144.000000000000
1998-05-01	14374.400000000000
1998-06-01	15502.900000000000
1998-07-01	16224.600000000000
1998-08-01	14233.600000000000
1998-09-01	14563.500000000000
1998-10-01	16813.600000000000
1998-11-01	15689.000000000000
1998-12-01	16195.700000000000
1999-01-01	13700.700000000000
1999-02-01	14788.600000000000
1999-03-01	17131.300000000000
1999-04-01	16129.800000000000
1999-05-01	16035.200000000000
1999-06-01	17217.800000000000
1999-07-01	17873.400000000000
1999-08-01	16577.000000000000
1999-09-01	16117.900000000000
1999-10-01	18074.200000000000
1999-11-01	18522.200000000000
1999-12-01	17884.800000000000
2000-01-01	15771.300000000000
2000-02-01	17227.400000000000
2000-03-01	20757.700000000000
2000-04-01	18285.400000000000
2000-05-01	19341.800000000000
2000-06-01	18583.100000000000
2000-07-01	18982.700000000000
2000-08-01	18894.400000000000
2000-09-01	18550.500000000000
2000-10-01	20953.300000000000
2000-11-01	20532.800000000000
2000-12-01	19020.400000000000
2001-01-01	19413.600000000000
2001-02-01	18491.100000000000
2001-03-01	20720.200000000000
2001-04-01	19677.400000000000
2001-05-01	19596.300000000000
2001-06-01	18334.900000000000
2001-07-01	20129.000000000000
2001-08-01	18010.500000000000
2001-09-01	15676.700000000000
2001-10-01	20810.400000000000
2001-11-01	18664.400000000000
2001-12-01	17043.700000000000
2002-01-01	16444.700000000000
2002-02-01	17043.800000000000
2002-03-01	19295.300000000000
2002-04-01	19730.800000000000
2002-05-01	19423.500000000000
2002-06-01	18696.700000000000
2002-07-01	21471.800000000000
2002-08-01	18790.500000000000
2002-09-01	18190.000000000000
2002-10-01	21443.000000000000
2002-11-01	20511.700000000000
2002-12-01	21271.600000000000
2003-01-01	18656.000000000000
2003-02-01	18766.700000000000
2003-03-01	22053.600000000000
2003-04-01	21144.400000000000
2003-05-01	20815.200000000000
2003-06-01	21285.900000000000
2003-07-01	22315.900000000000
2003-08-01	19278.800000000000
2003-09-01	20451.900000000000
2003-10-01	23100.200000000000
2003-11-01	21602.300000000000
2003-12-01	23570.800000000000
2004-01-01	19117.095000000000
2004-02-01	21879.600000000000
2004-03-01	25653.899000000005
2004-04-01	24408.431000000000
2004-05-01	23337.897000000000
2004-06-01	24142.118000000000
2004-07-01	23571.972000000000
2004-08-01	22823.221000000000
2004-09-01	21877.954000000000
2004-10-01	24537.225999999995
2004-11-01	25162.004000000000
2004-12-01	25447.206999999995
2005-01-01	21997.600000000000
2005-02-01	23647.060000000000
2005-03-01	26257.640000000000
2005-04-01	25706.280000000000
2005-05-01	26691.300000000000
2005-06-01	26425.800000000000
2005-07-01	26425.800000000000
2005-08-01	25534.300000000000
2005-09-01	24951.400000000000
2005-10-01	27799.900000000000
2005-11-01	27795.400000000000
2005-12-01	26395.500000000000
2006-01-01	24878.400000000000
2006-02-01	24114.000000000000
2006-03-01	29297.600000000000
2006-04-01	27054.700000000000
2006-05-01	29601.500000000000
2006-06-01	28397.900000000000
2006-07-01	28875.300000000000
2006-08-01	28457.700000000000
2006-09-01	25538.900000000000
2006-10-01	28222.800000000000
2006-11-01	28399.500000000000
2006-12-01	27643.400000000000
2007-01-01	26094.340692999995
2007-02-01	25379.174648000000
2007-03-01	31283.564401000000
2007-04-01	29325.262452999992
2007-05-01	29714.407679000007
2007-06-01	30372.474136999994
2007-07-01	31395.511889999990
2007-08-01	30192.762315000007
2007-09-01	27175.240998000000
2007-10-01	33776.758670000010
2007-11-01	31182.360343999993
2007-12-01	28517.404076000000
2008-01-01	27757.798181999995
2008-02-01	30472.961320000000
2008-03-01	31692.061606000000
2008-04-01	32752.323449999993
2008-05-01	32658.059057999990
2008-06-01	33387.516572000000
2008-07-01	34822.822053000000
2008-08-01	29706.638380000000
2008-09-01	29150.301144000000
2008-10-01	32068.205227999990
2008-11-01	26550.001488000000
2008-12-01	26598.759406000000
2009-01-01	21187.930734999994
2009-02-01	21978.447686999996
2009-03-01	24116.070987000003
2009-04-01	23216.887789000004
2009-05-01	20748.757642000004
2009-06-01	23136.819795000000
2009-07-01	25180.302601999996
2009-08-01	22371.787756000005
2009-09-01	23529.030358000000
2009-10-01	25691.621732999996
2009-11-01	25270.807492000000
2009-12-01	25372.382150000005
2010-01-01	21293.223720999988
2010-02-01	23124.566334000003
2010-03-01	28264.096023000006
2010-04-01	24771.261733000000
2010-05-01	25738.823416000003
2010-06-01	27709.511712000000
2010-07-01	28484.639314999997
2010-08-01	27552.768531999995
2010-09-01	26630.291513000004
2010-10-01	28697.708238999996
2010-11-01	28213.353802999995
2010-12-01	28783.578233999997
2011-01-01	26134.287465000005
2011-02-01	26833.396870999997
2011-03-01	33504.649228999995
2011-04-01	31133.763217999993
2011-05-01	31676.945934000007
2011-06-01	32344.577755999990
2011-07-01	30174.658165000000
2011-08-01	31368.808408999990
2011-09-01	29528.954712999992
2011-10-01	31525.195659000008
2011-11-01	31741.910542000000
2011-12-01	32496.783255999990
2012-01-01	29591.823121000000
2012-02-01	28539.361611000008
2012-03-01	34910.021853999990
2012-04-01	31285.834449000000
2012-05-01	33452.229392000010
2012-06-01	31454.954659000006
2012-07-01	33343.965485999994
2012-08-01	33040.791772000004
2012-09-01	29522.720352000000
2012-10-01	32520.757677000005
2012-11-01	33649.153387000006
2012-12-01	30443.749308000002
2013-01-01	28540.261379000000
2013-02-01	29134.515264999998
2013-03-01	33383.523053999990
2013-04-01	33297.754388000020
2013-05-01	33145.660848999990
2013-06-01	30297.619523999994
2013-07-01	34816.925182000010
2013-08-01	31286.385307000004
2013-09-01	31394.705748999997
2013-10-01	37074.105734000010
2013-11-01	33064.023725000010
2013-12-01	32074.889729999995
2014-01-01	30584.311290000005
2014-02-01	29793.691827000002
2014-03-01	36796.912176000000
2014-04-01	37432.685422999990
2014-05-01	37041.951002000016
2014-06-01	36075.813452000020
2014-07-01	37033.408903000000
2014-08-01	34770.040493000010
2014-09-01	34088.859459999990
2014-10-01	36883.107873000000
2014-11-01	34267.083197000014
2014-12-01	35840.972726999986
2015-01-01	32112.650604000000
2015-02-01	31799.013074000002
2015-03-01	37050.072529999990
2015-04-01	37249.621065999990
2015-05-01	36284.178879000000
2015-06-01	37574.906486000000
2015-07-01	37142.478614000010
2015-08-01	34863.257410999990
2015-09-01	34704.863370000010
2015-10-01	37894.658456000005
2015-11-01	35655.739473000010
2015-12-01	35478.828248999990
2016-01-01	29278.651138000005
2016-02-01	32406.735541000000
2016-03-01	37571.318175999990
2016-04-01	35003.687228999996
2016-05-01	35528.669893999990
2016-06-01	36698.401883000000
2016-07-01	33887.982749999990
2016-08-01	35726.789720000015
2016-09-01	33478.561278999990
2016-10-01	36043.074127000010
2016-11-01	35590.916850000000
2016-12-01	35178.547240999990
2017-01-01	32633.519841000000
2017-02-01	32379.313370999997
2017-03-01	36895.915568000000
2017-04-01	35460.203821999996
2017-05-01	36512.183287000010
2017-06-01	36203.756781000000
2017-07-01	34961.069858000000
2017-08-01	35706.876729000000
2017-09-01	35671.223277000000
2017-10-01	39363.200905000005
2017-11-01	38261.196276000000
2017-12-01	40584.177790000010
2018-01-01	36877.283785000000
2018-02-01	37021.356071000000
2018-03-01	41993.646119000000
2018-04-01	41446.997370000000
2018-05-01	41355.752901000000
2018-06-01	40085.519491000000
2018-07-01	41491.914954000000
2018-08-01	41306.624547000000
2018-09-01	37776.060755000000
2018-10-01	45438.316290000000