Month	Millions of Dollars
1997-01-01	13209.278064000000
1997-02-01	13192.369405000000
1997-03-01	15404.989887000000
1997-04-01	15139.604076000003
1997-05-01	15363.306698000004
1997-06-01	14822.659044000000
1997-07-01	16701.737761000004
1997-08-01	14142.267995000000
1997-09-01	14682.458979999996
1997-10-01	16959.846840000000
1997-11-01	14986.334568000004
1997-12-01	16834.819894000000
1998-01-01	14572.695771000004
1998-02-01	14553.718276000000
1998-03-01	17836.088522000000
1998-04-01	17154.747950000004
1998-05-01	16271.962568000004
1998-06-01	17496.179992000005
1998-07-01	18268.021072000000
1998-08-01	15825.408438999995
1998-09-01	16438.396938999995
1998-10-01	18864.718944000000
1998-11-01	17633.212704000000
1998-12-01	17958.556867000000
1999-01-01	15110.808941000000
1999-02-01	16500.915773999997
1999-03-01	19250.229789999998
1999-04-01	18188.217268000004
1999-05-01	18042.328245000004
1999-06-01	19506.402279000000
1999-07-01	19997.409822000000
1999-08-01	18508.148347999995
1999-09-01	18007.557079999995
1999-10-01	20524.078110000000
1999-11-01	20870.808285000000
1999-12-01	20283.270342999997
2000-01-01	17895.280117000000
2000-02-01	19632.986845000000
2000-03-01	23447.482466000005
2000-04-01	20577.653290999995
2000-05-01	21914.066229000000
2000-06-01	20997.619895000003
2000-07-01	21751.578865000003
2000-08-01	21406.560152000000
2000-09-01	21307.698419000000
2000-10-01	23538.892212000000
2000-11-01	23000.740724999996
2000-12-01	21295.670144000000
2001-01-01	22021.415030000000
2001-02-01	20771.993491000005
2001-03-01	23789.248193000000
2001-04-01	22206.707968000000
2001-05-01	21929.776305000000
2001-06-01	20609.123016000005
2001-07-01	22302.628435999995
2001-08-01	20063.626723000000
2001-09-01	17692.727094000000
2001-10-01	22976.790088000000
2001-11-01	20677.835370000004
2001-12-01	18734.902032999995
2002-01-01	18092.757388000000
2002-02-01	18708.670238000000
2002-03-01	21376.962298000000
2002-04-01	22297.388572000000
2002-05-01	21936.130403000000
2002-06-01	21315.008960000003
2002-07-01	24143.340631000000
2002-08-01	21295.161922000000
2002-09-01	20504.895019000000
2002-10-01	24193.057633000000
2002-11-01	23175.168664000000
2002-12-01	23827.003011000004
2003-01-01	20950.925109000000
2003-02-01	21035.880189000000
2003-03-01	24875.722895000000
2003-04-01	23749.556773000000
2003-05-01	23646.174842000004
2003-06-01	24021.201235000000
2003-07-01	25417.498794000000
2003-08-01	21751.839388999997
2003-09-01	23310.718588000000
2003-10-01	25632.180740999996
2003-11-01	23996.098660000000
2003-12-01	26209.126292000004
2004-01-01	21374.723865000004
2004-02-01	24464.168660000000
2004-03-01	28761.483067000000
2004-04-01	27754.016054000003
2004-05-01	26339.074457000002
2004-06-01	27658.152312000000
2004-07-01	27217.214232999995
2004-08-01	26206.984779000000
2004-09-01	24945.135923999995
2004-10-01	28417.058422999995
2004-11-01	29302.774083000008
2004-12-01	28990.148824000007
2005-01-01	25344.956317000000
2005-02-01	27105.925205999985
2005-03-01	30408.099652999990
2005-04-01	30178.122713999994
2005-05-01	30440.189614000006
2005-06-01	30689.212312000007
2005-07-01	29440.805144999990
2005-08-01	29063.142292999994
2005-09-01	28832.412468000000
2005-10-01	32116.869302000000
2005-11-01	31524.430340000000
2005-12-01	30103.405256000010
2006-01-01	28733.797851000003
2006-02-01	28113.100618000000
2006-03-01	33233.051325999990
2006-04-01	31502.479586999990
2006-05-01	34984.014038999994
2006-06-01	32841.783834000010
2006-07-01	33603.945552000005
2006-08-01	33724.831281000006
2006-09-01	30112.816416000010
2006-10-01	32907.445817999990
2006-11-01	32403.883577000008
2006-12-01	31846.345621000008
2007-01-01	29619.221314000010
2007-02-01	28794.991013999996
2007-03-01	35527.420045000006
2007-04-01	33900.977836000005
2007-05-01	34518.611867999990
2007-06-01	34613.030812999990
2007-07-01	36320.639297000000
2007-08-01	34743.128897000000
2007-09-01	31312.084193999992
2007-10-01	38768.612542000030
2007-11-01	36224.615997000000
2007-12-01	33130.493484000006
2008-01-01	32571.864871000010
2008-02-01	34922.673327000010
2008-03-01	36705.376363000010
2008-04-01	38446.024644999976
2008-05-01	38264.523390000010
2008-06-01	40868.575366000000
2008-07-01	42165.003695000020
2008-08-01	36420.408340000000
2008-09-01	35121.245039000000
2008-10-01	37922.438207999990
2008-11-01	31118.316302999992
2008-12-01	30676.905569000000
2009-01-01	24700.740028999982
2009-02-01	25102.168412999996
2009-03-01	27940.682310000004
2009-04-01	27210.148893000000
2009-05-01	24840.872719999996
2009-06-01	27254.135225000000
2009-07-01	30177.700022999990
2009-08-01	26077.348230000003
2009-09-01	27819.980334000003
2009-10-01	30173.355029999980
2009-11-01	29992.567673000000
2009-12-01	29926.158229000000
2010-01-01	25937.436132999996
2010-02-01	26937.830523000004
2010-03-01	33238.319436000005
2010-04-01	30271.069247999993
2010-05-01	31292.977425000020
2010-06-01	33130.505759999990
2010-07-01	34467.544851999990
2010-08-01	33157.199027999995
2010-09-01	31674.835053000000
2010-10-01	34175.524745000010
2010-11-01	33779.454776000006
2010-12-01	33821.922040999990
2011-01-01	32046.251963000010
2011-02-01	31174.237461000008
2011-03-01	40324.270957999994
2011-04-01	38785.318020000006
2011-05-01	39732.199924000000
2011-06-01	39220.887378000010
2011-07-01	36780.472099000006
2011-08-01	37605.367624000000
2011-09-01	36297.340934999990
2011-10-01	38535.493808000010
2011-11-01	38880.326857999990
2011-12-01	39221.402257000000
2012-01-01	35584.927063999990
2012-02-01	34534.302625000020
2012-03-01	41508.433492999980
2012-04-01	37160.635526000000
2012-05-01	40049.929777000005
2012-06-01	38076.494425000004
2012-07-01	39540.191493999984
2012-08-01	38736.300772999995
2012-09-01	35693.628078999980
2012-10-01	39003.382172000010
2012-11-01	39855.792236000000
2012-12-01	36090.151602000005
2013-01-01	34365.288153000000
2013-02-01	34475.821923999996
2013-03-01	39620.594008000000
2013-04-01	39520.156662000016
2013-05-01	40517.266258999975
2013-06-01	36371.724063000000
2013-07-01	41462.264378000014
2013-08-01	37152.943316000000
2013-09-01	37821.359404000010
2013-10-01	43762.491422999990
2013-11-01	38474.050885000004
2013-12-01	37037.276540999980
2014-01-01	36295.238239000010
2014-02-01	35245.700663999996
2014-03-01	43794.479182999990
2014-04-01	44574.896452999994
2014-05-01	43451.926713000030
2014-06-01	41967.795371000020
2014-07-01	43751.114185999984
2014-08-01	40639.479386000010
2014-09-01	39526.712994999970
2014-10-01	43456.927590999990
2014-11-01	39494.081864999990
2014-12-01	41627.423174999990
2015-01-01	37276.677653000000
2015-02-01	36488.167763999990
2015-03-01	43195.214738999990
2015-04-01	42602.862664000000
2015-05-01	41463.940214000000
2015-06-01	43532.502562999980
2015-07-01	43078.184290000010
2015-08-01	40318.433129000000
2015-09-01	39473.137357000014
2015-10-01	43765.075349000006
2015-11-01	40658.077081000020
2015-12-01	40662.619486999970
2016-01-01	33653.030951000010
2016-02-01	36635.515348000020
2016-03-01	43276.289473000000
2016-04-01	40429.093472000015
2016-05-01	41992.068628999994
2016-06-01	43044.630773000020
2016-07-01	40286.383857999990
2016-08-01	41204.569486000030
2016-09-01	38827.312599999976
2016-10-01	41665.168430000005
2016-11-01	41267.778189000004
2016-12-01	40850.896423999990
2017-01-01	38310.956613000000
2017-02-01	37134.117002999990
2017-03-01	42796.972665000000
2017-04-01	41318.214700000004
2017-05-01	42996.723660000025
2017-06-01	42494.770332000010
2017-07-01	41075.327891000020
2017-08-01	42193.801082000020
2017-09-01	41094.325406000000
2017-10-01	45811.543676000010
2017-11-01	44552.008562000025
2017-12-01	46519.608328000010
2018-01-01	43484.597062000000
2018-02-01	42612.843228000000
2018-03-01	49097.675285000000
2018-04-01	48485.044138000000
2018-05-01	48924.868189000000
2018-06-01	47765.274502000000
2018-07-01	48954.513668000000
2018-08-01	48279.328777000000
2018-09-01	44259.147075000000
2018-10-01	53742.347164000000