Month	Millions of Dollars
1997-01-01	11784.794670000000
1997-02-01	13436.825244000000
1997-03-01	15787.645354000000
1997-04-01	14490.390653999995
1997-05-01	14227.787435000000
1997-06-01	13936.215108000002
1997-07-01	12103.177395000002
1997-08-01	12464.362997000000
1997-09-01	13164.575169000000
1997-10-01	14266.702340000000
1997-11-01	13392.412560000000
1997-12-01	14217.620267000002
1998-01-01	13578.763728999998
1998-02-01	14027.483274000000
1998-03-01	16226.503758000004
1998-04-01	13747.619421000000
1998-05-01	14500.872561000000
1998-06-01	14326.978221000001
1998-07-01	12750.678827000000
1998-08-01	13482.134792999997
1998-09-01	13860.540010000000
1998-10-01	15106.193306999996
1998-11-01	14212.918539000000
1998-12-01	14187.729728000000
1999-01-01	13456.148518000002
1999-02-01	13975.630094000000
1999-03-01	15708.367651000004
1999-04-01	14757.750310000000
1999-05-01	14091.663364000000
1999-06-01	13722.539207000002
1999-07-01	12544.100647000000
1999-08-01	13567.891398000000
1999-09-01	14475.316673000000
1999-10-01	15245.314099000000
1999-11-01	14785.950919000004
1999-12-01	15503.044702999996
2000-01-01	14365.699083999998
2000-02-01	15365.895940000000
2000-03-01	16435.076367000005
2000-04-01	15557.898711000000
2000-05-01	15554.634598000004
2000-06-01	15833.443438000000
2000-07-01	13504.745600000000
2000-08-01	15258.128956000000
2000-09-01	15978.640837000004
2000-10-01	16043.846076000000
2000-11-01	16300.760021000004
2000-12-01	17249.243664000000
2001-01-01	15567.651076000000
2001-02-01	16608.260063000000
2001-03-01	17925.666706000000
2001-04-01	15994.554541000000
2001-05-01	16890.606263999995
2001-06-01	15666.641609000000
2001-07-01	12713.406032999997
2001-08-01	14123.369857999998
2001-09-01	13289.356233000002
2001-10-01	14695.610415000000
2001-11-01	13873.833762000000
2001-12-01	14179.748536000003
2002-01-01	12746.069128000000
2002-02-01	13839.274575000000
2002-03-01	15229.030304000000
2002-04-01	14004.794771000003
2002-05-01	13725.850899000000
2002-06-01	13520.510405000000
2002-07-01	12277.272128000000
2002-08-01	13197.875789000000
2002-09-01	13045.777129999999
2002-10-01	14715.326463999996
2002-11-01	14046.513008000002
2002-12-01	13278.102312000000
2003-01-01	13315.773678999998
2003-02-01	13509.291923000002
2003-03-01	15835.824022000004
2003-04-01	14619.633178000000
2003-05-01	14365.559235000000
2003-06-01	14794.982631999996
2003-07-01	13343.493661000000
2003-08-01	13749.540307999998
2003-09-01	13768.071996000002
2003-10-01	15654.839785000004
2003-11-01	15567.258889000000
2003-12-01	14538.331221000004
2004-01-01	14070.873900000002
2004-02-01	15333.162198000004
2004-03-01	17821.458265000000
2004-04-01	16472.685353000004
2004-05-01	16510.148678000000
2004-06-01	15697.744788000004
2004-07-01	14577.117578999996
2004-08-01	15018.505655999996
2004-09-01	15752.019083000005
2004-10-01	17120.422138999995
2004-11-01	16201.587263000005
2004-12-01	17214.053958999997
2005-01-01	15821.894482999996
2005-02-01	16735.740320000004
2005-03-01	19371.039947000005
2005-04-01	18245.813451000005
2005-05-01	18170.199539000000
2005-06-01	17849.884717000004
2005-07-01	16187.500653000000
2005-08-01	16470.666499000000
2005-09-01	16642.919564999997
2005-10-01	17846.616848999987
2005-11-01	18201.801963000000
2005-12-01	18384.347834999997
2006-01-01	16916.408682999994
2006-02-01	18413.524493000000
2006-03-01	21666.440009000013
2006-04-01	19926.282127000000
2006-05-01	20695.464361000006
2006-06-01	21724.060970000000
2006-07-01	18256.319366000003
2006-08-01	19971.307984000000
2006-09-01	20874.382491999990
2006-10-01	21570.871431999985
2006-11-01	21355.686197000000
2006-12-01	21622.822028000000
2007-01-01	21651.233875000000
2007-02-01	21396.651985000000
2007-03-01	25657.999324000000
2007-04-01	23344.724504000000
2007-05-01	24598.227530999997
2007-06-01	24335.016931000006
2007-07-01	21808.465942000000
2007-08-01	23852.089045000000
2007-09-01	23659.004556000004
2007-10-01	24771.907604999997
2007-11-01	24081.217859000004
2007-12-01	23912.322131999998
2008-01-01	24540.980426000000
2008-02-01	27968.748361000024
2008-03-01	28977.117754999992
2008-04-01	28650.237311000004
2008-05-01	28314.875356999997
2008-06-01	29849.171622999990
2008-07-01	29129.914661000010
2008-08-01	28133.553527999997
2008-09-01	25372.624600999985
2008-10-01	26693.659503000000
2008-11-01	24137.211284000005
2008-12-01	23229.020689000004
2009-01-01	20588.976372000012
2009-02-01	21456.691877999998
2009-03-01	23133.291211000003
2009-04-01	20499.457247999988
2009-05-01	21620.757678000000
2009-06-01	21843.934945000000
2009-07-01	20174.886187999997
2009-08-01	19797.080577999983
2009-09-01	21145.416430999987
2009-10-01	23958.312336000000
2009-11-01	21499.320617999994
2009-12-01	22343.447349999995
2010-01-01	21651.369644000006
2010-02-01	20707.339652999995
2010-03-01	24803.994083999994
2010-04-01	22558.980395999984
2010-05-01	23411.938225000005
2010-06-01	24157.361746000002
2010-07-01	22267.261704000000
2010-08-01	23308.232160000000
2010-09-01	23847.755942999996
2010-10-01	26197.926128000000
2010-11-01	25471.089431999997
2010-12-01	27208.424642000005
2011-01-01	24503.601680999996
2011-02-01	24387.729464000000
2011-03-01	30206.543885000000
2011-04-01	28296.163545999996
2011-05-01	27532.456377000000
2011-06-01	28530.071803999996
2011-07-01	25896.520603000000
2011-08-01	27716.481709000003
2011-09-01	28431.029894999996
2011-10-01	28475.450822000003
2011-11-01	26783.411655000000
2011-12-01	28711.058514999997
2012-01-01	26278.624660000010
2012-02-01	28215.165242000000
2012-03-01	31736.969652000003
2012-04-01	27519.392359000005
2012-05-01	28022.237710999994
2012-06-01	29053.433908999990
2012-07-01	25720.541480000004
2012-08-01	26132.124428999992
2012-09-01	26654.785351999990
2012-10-01	26847.672032000010
2012-11-01	26158.344089000006
2012-12-01	26843.558315000006
2013-01-01	24851.705413999993
2013-02-01	25344.447809000005
2013-03-01	28655.977944000000
2013-04-01	27741.224486999990
2013-05-01	28142.053099999997
2013-06-01	28895.861434000000
2013-07-01	26369.584745999997
2013-08-01	26764.642479999990
2013-09-01	27467.058762999990
2013-10-01	28527.895861000000
2013-11-01	28151.442845999998
2013-12-01	25585.150002999990
2014-01-01	25764.998551999997
2014-02-01	26070.719536000008
2014-03-01	30609.957600000005
2014-04-01	28436.856388000004
2014-05-01	29060.174734000004
2014-06-01	29613.426862000008
2014-07-01	27639.264849000003
2014-08-01	28350.811016999990
2014-09-01	26096.201560000005
2014-10-01	28176.952071000000
2014-11-01	27199.217023999987
2014-12-01	26445.477894999993
2015-01-01	26054.539628000006
2015-02-01	25889.822278000003
2015-03-01	29515.582417999995
2015-04-01	27879.423227000007
2015-05-01	27412.375379000000
2015-06-01	26996.944731000007
2015-07-01	25626.419305000003
2015-08-01	24879.247273999998
2015-09-01	26609.393756999994
2015-10-01	27723.253581000008
2015-11-01	25209.236757000013
2015-12-01	25793.230404000005
2016-01-01	23458.067744999997
2016-02-01	25786.981462000010
2016-03-01	29481.966496000000
2016-04-01	27064.312198000003
2016-05-01	26569.393009000000
2016-06-01	28174.585966000006
2016-07-01	25128.175026999994
2016-08-01	25899.001753999990
2016-09-01	26873.226838000000
2016-10-01	27112.539450000000
2016-11-01	24938.319179000002
2016-12-01	27084.134275000004
2017-01-01	24450.183969999990
2017-02-01	26391.091541000005
2017-03-01	30602.176815999996
2017-04-01	26720.841503000010
2017-05-01	27911.246349999994
2017-06-01	28324.283135999995
2017-07-01	25218.904128000002
2017-08-01	27751.474210000008
2017-09-01	28352.832870000002
2017-10-01	29783.259346000006
2017-11-01	27900.426253999987
2017-12-01	29307.310493000008
2018-01-01	27490.457552000000
2018-02-01	29032.341059000000
2018-03-01	34495.808142000000
2018-04-01	30658.906753000000
2018-05-01	32648.747503000000
2018-06-01	32717.311394000000
2018-07-01	27919.993512000000
2018-08-01	30255.829252000000
2018-09-01	32335.485443000000
2018-10-01	32304.006281000000