Month	Millions of Dollars
1997-01-01	10608.300000000000
1997-02-01	12064.800000000000
1997-03-01	13551.200000000000
1997-04-01	12450.500000000000
1997-05-01	12270.200000000000
1997-06-01	11868.400000000000
1997-07-01	10657.200000000000
1997-08-01	11042.000000000000
1997-09-01	11833.800000000000
1997-10-01	12773.900000000000
1997-11-01	11994.200000000000
1997-12-01	12816.900000000000
1998-01-01	12269.400000000000
1998-02-01	12840.700000000000
1998-03-01	14479.300000000000
1998-04-01	12271.300000000000
1998-05-01	12951.000000000000
1998-06-01	12666.800000000000
1998-07-01	11275.900000000000
1998-08-01	12022.300000000000
1998-09-01	12656.200000000000
1998-10-01	13194.300000000000
1998-11-01	12476.900000000000
1998-12-01	12862.900000000000
1999-01-01	12507.600000000000
1999-02-01	12899.700000000000
1999-03-01	14465.600000000000
1999-04-01	13091.200000000000
1999-05-01	12931.700000000000
1999-06-01	12393.700000000000
1999-07-01	11484.500000000000
1999-08-01	12219.100000000000
1999-09-01	12426.300000000000
1999-10-01	13680.900000000000
1999-11-01	13081.900000000000
1999-12-01	13642.600000000000
2000-01-01	12235.600000000000
2000-02-01	13586.100000000000
2000-03-01	14729.900000000000
2000-04-01	13860.900000000000
2000-05-01	14224.100000000000
2000-06-01	14220.400000000000
2000-07-01	12235.600000000000
2000-08-01	13858.300000000000
2000-09-01	14482.000000000000
2000-10-01	14559.100000000000
2000-11-01	14604.600000000000
2000-12-01	15584.500000000000
2001-01-01	13908.700000000000
2001-02-01	14794.000000000000
2001-03-01	15690.000000000000
2001-04-01	13949.000000000000
2001-05-01	14427.200000000000
2001-06-01	13996.900000000000
2001-07-01	11531.900000000000
2001-08-01	12844.900000000000
2001-09-01	12250.400000000000
2001-10-01	13317.200000000000
2001-11-01	12399.800000000000
2001-12-01	12821.000000000000
2002-01-01	11619.600000000000
2002-02-01	12381.600000000000
2002-03-01	13604.100000000000
2002-04-01	12360.700000000000
2002-05-01	12215.800000000000
2002-06-01	12146.400000000000
2002-07-01	10748.300000000000
2002-08-01	11975.600000000000
2002-09-01	11790.400000000000
2002-10-01	13258.200000000000
2002-11-01	12703.000000000000
2002-12-01	11817.500000000000
2003-01-01	12073.100000000000
2003-02-01	12338.400000000000
2003-03-01	14267.900000000000
2003-04-01	13214.800000000000
2003-05-01	12961.300000000000
2003-06-01	12935.700000000000
2003-07-01	11834.300000000000
2003-08-01	12200.900000000000
2003-09-01	12394.100000000000
2003-10-01	13911.500000000000
2003-11-01	13975.700000000000
2003-12-01	13062.400000000000
2004-01-01	12703.900000000000
2004-02-01	13917.500000000000
2004-03-01	16052.700000000000
2004-04-01	14743.800000000000
2004-05-01	14825.500000000000
2004-06-01	13827.100000000000
2004-07-01	12988.840000000000
2004-08-01	13467.000000000000
2004-09-01	14077.200000000000
2004-10-01	15171.800000000000
2004-11-01	14301.200000000000
2004-12-01	15153.100000000000
2005-01-01	13982.100000000000
2005-02-01	14893.000000000000
2005-03-01	16834.200000000000
2005-04-01	16300.500000000000
2005-05-01	16037.000000000000
2005-06-01	15586.700000000000
2005-07-01	14272.800000000000
2005-08-01	14459.900000000000
2005-09-01	14684.200000000000
2005-10-01	15838.500000000000
2005-11-01	15978.800000000000
2005-12-01	16298.200000000000
2006-01-01	15035.400000000000
2006-02-01	15966.500000000000
2006-03-01	18824.700000000000
2006-04-01	17374.000000000000
2006-05-01	18145.300000000000
2006-06-01	19028.500000000000
2006-07-01	15865.600000000000
2006-08-01	17415.400000000000
2006-09-01	18274.100000000000
2006-10-01	18763.900000000000
2006-11-01	18577.100000000000
2006-12-01	18616.400000000000
2007-01-01	19237.506333999994
2007-02-01	18811.204232000004
2007-03-01	22717.819801999995
2007-04-01	19819.033562999997
2007-05-01	20837.103099000000
2007-06-01	20515.694741000003
2007-07-01	18695.416884000000
2007-08-01	20125.881070000000
2007-09-01	20445.456238000000
2007-10-01	21552.568511000005
2007-11-01	20734.994702999997
2007-12-01	20673.224454999996
2008-01-01	21151.382151000000
2008-02-01	23431.009353000000
2008-03-01	23594.560672000003
2008-04-01	23664.395965999996
2008-05-01	23797.264352000000
2008-06-01	24834.106038000000
2008-07-01	23664.177423000000
2008-08-01	23597.592304000000
2008-09-01	20826.331707000000
2008-10-01	22861.509650999997
2008-11-01	20658.928463000000
2008-12-01	19728.827456000003
2009-01-01	17666.987484000005
2009-02-01	18678.815871000000
2009-03-01	19834.155772000000
2009-04-01	17764.030374999995
2009-05-01	17915.521910000003
2009-06-01	18671.621086000000
2009-07-01	17089.075415000003
2009-08-01	16652.465900000000
2009-09-01	18055.916581999994
2009-10-01	20591.175199000000
2009-11-01	18708.030432999996
2009-12-01	18971.549759999994
2010-01-01	18550.497634000000
2010-02-01	17851.652685999998
2010-03-01	20956.324167999996
2010-04-01	18949.878422999987
2010-05-01	19431.316301000003
2010-06-01	20334.693122000004
2010-07-01	18784.609281000005
2010-08-01	19356.401718000005
2010-09-01	20308.372943000006
2010-10-01	21831.258312999995
2010-11-01	20992.744694000000
2010-12-01	22243.210854000000
2011-01-01	20214.644764999997
2011-02-01	19906.249879999996
2011-03-01	24387.915840999995
2011-04-01	23446.591858000000
2011-05-01	22720.191908000000
2011-06-01	23324.492173000000
2011-07-01	21405.886170000005
2011-08-01	22366.113863000002
2011-09-01	23188.014410999996
2011-10-01	23353.849123000004
2011-11-01	22003.896572000005
2011-12-01	22750.837411000000
2012-01-01	21096.977506000003
2012-02-01	22540.050388000003
2012-03-01	25209.867034000003
2012-04-01	22360.974727999997
2012-05-01	22855.209460999995
2012-06-01	23210.015603999997
2012-07-01	20608.113031000000
2012-08-01	21479.159136000000
2012-09-01	21338.132202999997
2012-10-01	21685.660767000005
2012-11-01	21365.156607999994
2012-12-01	21623.191078000000
2013-01-01	20251.001584999998
2013-02-01	20151.095836999997
2013-03-01	23003.517177000000
2013-04-01	21027.446787999990
2013-05-01	22465.212140999996
2013-06-01	22795.596183999998
2013-07-01	20893.607120999997
2013-08-01	21967.203406999997
2013-09-01	22716.695790999987
2013-10-01	23287.575901999997
2013-11-01	22732.417351000004
2013-12-01	20803.963809999997
2014-01-01	21552.858036000000
2014-02-01	20908.392501000006
2014-03-01	24580.023302000000
2014-04-01	23394.297701999996
2014-05-01	24218.545042000000
2014-06-01	24655.671920000000
2014-07-01	23357.956629000004
2014-08-01	23589.197684999996
2014-09-01	22012.834247000003
2014-10-01	23869.341074000004
2014-11-01	22006.269577999996
2014-12-01	22129.023112999996
2015-01-01	22144.440038000004
2015-02-01	22154.521798000000
2015-03-01	24132.189181999995
2015-04-01	23560.684340000007
2015-05-01	23385.055989999997
2015-06-01	22969.487816000004
2015-07-01	21584.313481000000
2015-08-01	21086.777036000000
2015-09-01	22804.669272000000
2015-10-01	24280.935562000006
2015-11-01	22042.358151000010
2015-12-01	21765.755362000000
2016-01-01	20363.903250999996
2016-02-01	22513.098714000003
2016-03-01	24523.179232999995
2016-04-01	22996.676130000003
2016-05-01	22017.234152999998
2016-06-01	23871.990868000008
2016-07-01	21437.292402999996
2016-08-01	21834.966125000000
2016-09-01	23206.905275999998
2016-10-01	22982.277285999997
2016-11-01	20788.203313000000
2016-12-01	23012.981116000006
2017-01-01	21221.309871999998
2017-02-01	22898.568156000000
2017-03-01	25804.629082000000
2017-04-01	22878.735837999997
2017-05-01	23714.093882999990
2017-06-01	23663.283773999996
2017-07-01	21462.845172000000
2017-08-01	23388.217822000002
2017-09-01	24263.039399000010
2017-10-01	25608.133307000000
2017-11-01	23572.507403999993
2017-12-01	24793.893189000006
2018-01-01	23260.246256000000
2018-02-01	24974.744324000000
2018-03-01	29847.547463000000
2018-04-01	26804.628972000000
2018-05-01	27968.739265000000
2018-06-01	28361.570941000000
2018-07-01	23902.508693000000
2018-08-01	25598.722422000000
2018-09-01	27130.511190000000
2018-10-01	27823.103557000000