Month Millions of Dollars 1992-01-01 15.600000000000000 1992-02-01 15.400000000000000 1992-03-01 17.600000000000000 1992-04-01 11.700000000000000 1992-05-01 19.400000000000000 1992-06-01 15.700000000000000 1992-07-01 16.500000000000000 1992-08-01 20.400000000000000 1992-09-01 20.000000000000000 1992-10-01 17.700000000000000 1992-11-01 20.100000000000000 1992-12-01 31.600000000000000 1993-01-01 18.300000000000000 1993-02-01 12.800000000000000 1993-03-01 17.600000000000000 1993-04-01 18.300000000000000 1993-05-01 19.200000000000000 1993-06-01 14.400000000000000 1993-07-01 23.600000000000000 1993-08-01 33.600000000000000 1993-09-01 14.000000000000000 1993-10-01 15.900000000000000 1993-11-01 16.500000000000000 1993-12-01 14.000000000000000 1994-01-01 11.100000000000000 1994-02-01 11.000000000000000 1994-03-01 17.200000000000000 1994-04-01 11.300000000000000 1994-05-01 12.200000000000000 1994-06-01 13.300000000000000 1994-07-01 14.600000000000000 1994-08-01 19.100000000000000 1994-09-01 21.200000000000000 1994-10-01 15.500000000000000 1994-11-01 18.400000000000000 1994-12-01 20.000000000000000 1995-01-01 17.100000000000000 1995-02-01 14.000000000000000 1995-03-01 16.000000000000000 1995-04-01 20.200000000000000 1995-05-01 18.100000000000000 1995-06-01 15.800000000000000 1995-07-01 11.900000000000000 1995-08-01 17.300000000000000 1995-09-01 24.000000000000000 1995-10-01 18.900000000000000 1995-11-01 21.600000000000000 1995-12-01 18.600000000000000 1996-01-01 17.300000000000000 1996-02-01 17.400000000000000 1996-03-01 13.700000000000000 1996-04-01 12.700000000000000 1996-05-01 17.900000000000000 1996-06-01 19.000000000000000 1996-07-01 18.700000000000000 1996-08-01 22.700000000000000 1996-09-01 23.100000000000000 1996-10-01 24.000000000000000 1996-11-01 24.100000000000000 1996-12-01 58.800000000000000 1997-01-01 12.100000000000000 1997-02-01 26.400000000000000 1997-03-01 21.800000000000000 1997-04-01 17.100000000000000 1997-05-01 17.400000000000000 1997-06-01 20.400000000000000 1997-07-01 34.700000000000000 1997-08-01 40.200000000000000 1997-09-01 29.400000000000000 1997-10-01 31.000000000000000 1997-11-01 19.300000000000000 1997-12-01 25.400000000000000 1998-01-01 22.600000000000000 1998-02-01 26.700000000000000 1998-03-01 30.600000000000000 1998-04-01 27.800000000000000 1998-05-01 28.800000000000000 1998-06-01 31.600000000000000 1998-07-01 39.800000000000000 1998-08-01 31.400000000000000 1998-09-01 32.300000000000000 1998-10-01 61.100000000000000 1998-11-01 38.000000000000000 1998-12-01 46.100000000000000 1999-01-01 50.800000000000000 1999-02-01 23.400000000000000 1999-03-01 21.700000000000000 1999-04-01 18.900000000000000 1999-05-01 24.000000000000000 1999-06-01 18.600000000000000 1999-07-01 23.100000000000000 1999-08-01 15.400000000000000 1999-09-01 28.400000000000000 1999-10-01 26.900000000000000 1999-11-01 26.300000000000000 1999-12-01 20.800000000000000 2000-01-01 18.700000000000000 2000-02-01 25.900000000000000 2000-03-01 17.100000000000000 2000-04-01 21.800000000000000 2000-05-01 24.900000000000000 2000-06-01 15.800000000000000 2000-07-01 24.500000000000000 2000-08-01 37.300000000000000 2000-09-01 17.500000000000000 2000-10-01 18.200000000000000 2000-11-01 17.700000000000000 2000-12-01 13.600000000000000 2001-01-01 12.200000000000000 2001-02-01 12.900000000000000 2001-03-01 16.200000000000000 2001-04-01 26.400000000000000 2001-05-01 20.000000000000000 2001-06-01 15.800000000000000 2001-07-01 13.700000000000000 2001-08-01 20.900000000000000 2001-09-01 16.600000000000000 2001-10-01 28.700000000000000 2001-11-01 13.400000000000000 2001-12-01 19.100000000000000 2002-01-01 11.200000000000000 2002-02-01 15.400000000000000 2002-03-01 16.900000000000000 2002-04-01 14.300000000000000 2002-05-01 23.900000000000000 2002-06-01 14.000000000000000 2002-07-01 13.100000000000000 2002-08-01 14.200000000000000 2002-09-01 30.400000000000000 2002-10-01 13.800000000000000 2002-11-01 9.800000000000000 2002-12-01 15.100000000000000 2003-01-01 11.207242000000003 2003-02-01 17.390015000000000 2003-03-01 23.130659000000005 2003-04-01 10.729469000000000 2003-05-01 11.571279000000002 2003-06-01 9.438525000000000 2003-07-01 9.164811000000000 2003-08-01 19.569065000000000 2003-09-01 13.582915000000002 2003-10-01 19.734334999999994 2003-11-01 15.200020999999996 2003-12-01 22.031195000000000 2004-01-01 15.898892999999996 2004-02-01 14.588405000000003 2004-03-01 14.937189000000004 2004-04-01 15.940192999999995 2004-05-01 13.956573000000000 2004-06-01 13.170016000000000 2004-07-01 17.512616999999995 2004-08-01 17.851151000000000 2004-09-01 19.511158000000000 2004-10-01 14.986306999999996 2004-11-01 18.297119000000000 2004-12-01 17.205203000000004 2005-01-01 16.195954000000004 2005-02-01 13.017702000000000 2005-03-01 13.789984000000002 2005-04-01 23.034720999999998 2005-05-01 23.853684000000005 2005-06-01 18.027121000000000 2005-07-01 19.249493000000005 2005-08-01 19.199583000000004 2005-09-01 17.081555000000005 2005-10-01 14.107768999999998 2005-11-01 13.453850000000000 2005-12-01 28.467676000000000 2006-01-01 15.946502000000004 2006-02-01 17.965247000000000 2006-03-01 19.151614000000000 2006-04-01 21.704313000000000 2006-05-01 17.184705000000005 2006-06-01 15.167866000000004 2006-07-01 12.594203000000000 2006-08-01 13.918407999999998 2006-09-01 17.452241999999995 2006-10-01 18.245458000000000 2006-11-01 20.635937999999996 2006-12-01 25.271273000000004 2007-01-01 19.025533000000000 2007-02-01 19.238220999999996 2007-03-01 19.358000000000000 2007-04-01 18.443565000000003 2007-05-01 14.442449000000000 2007-06-01 24.964241000000005 2007-07-01 25.114551000000000 2007-08-01 23.978948000000003 2007-09-01 28.024876999999996 2007-10-01 29.252366000000010 2007-11-01 26.391473000000005 2007-12-01 29.443047000000000 2008-01-01 26.417010999999995 2008-02-01 27.663085000000000 2008-03-01 35.185765000000000 2008-04-01 33.085278000000010 2008-05-01 30.733320000000000 2008-06-01 37.345363999999990 2008-07-01 35.313412000000000 2008-08-01 41.322699000000000 2008-09-01 26.352287000000000 2008-10-01 35.070398000000000 2008-11-01 30.934388000000000 2008-12-01 29.882748000000000 2009-01-01 29.530883000000000 2009-02-01 28.954003000000007 2009-03-01 37.276572000000000 2009-04-01 24.685324000000000 2009-05-01 29.084199000000000 2009-06-01 32.289974000000000 2009-07-01 37.496396000000000 2009-08-01 61.777169000000000 2009-09-01 40.565808000000000 2009-10-01 42.629838000000000 2009-11-01 32.650716999999990 2009-12-01 34.472881000000000 2010-01-01 34.076951000000000 2010-02-01 31.441368000000008 2010-03-01 45.904271000000010 2010-04-01 41.840489999999996 2010-05-01 59.824606000000020 2010-06-01 33.296630999999990 2010-07-01 38.772753999999990 2010-08-01 39.576324000000000 2010-09-01 41.697685999999990 2010-10-01 48.873562000000000 2010-11-01 50.812558000000000 2010-12-01 41.863943000000000 2011-01-01 42.043331000000000 2011-02-01 43.450689000000000 2011-03-01 74.538607000000010 2011-04-01 73.439417000000000 2011-05-01 40.763581999999990 2011-06-01 38.868055000000000 2011-07-01 48.955367000000000 2011-08-01 58.592599999999980 2011-09-01 66.092096999999980 2011-10-01 55.524192999999990 2011-11-01 53.979467000000000 2011-12-01 71.599621000000010 2012-01-01 62.971934000000000 2012-02-01 53.804479000000000 2012-03-01 64.813836000000000 2012-04-01 59.895920000000000 2012-05-01 61.402246000000000 2012-06-01 55.788786000000000 2012-07-01 61.488676000000000 2012-08-01 54.157133000000000 2012-09-01 52.569168000000000 2012-10-01 71.872807000000000 2012-11-01 70.463607000000000 2012-12-01 93.781687000000000 2013-01-01 59.724344000000000 2013-02-01 107.669755000000000 2013-03-01 78.724429000000000 2013-04-01 75.291299000000000 2013-05-01 64.222948000000000 2013-06-01 67.072482000000000 2013-07-01 104.418476000000000 2013-08-01 104.275214000000000 2013-09-01 105.501521000000000 2013-10-01 73.603466000000000 2013-11-01 73.300565000000000 2013-12-01 137.610964000000000 2014-01-01 80.490103000000000 2014-02-01 80.009197000000000 2014-03-01 88.922728000000000 2014-04-01 84.079420000000000 2014-05-01 80.690319000000000 2014-06-01 104.647924000000000 2014-07-01 104.634113000000000 2014-08-01 106.710092000000000 2014-09-01 68.143662000000000 2014-10-01 63.874321000000000 2014-11-01 77.701057000000000 2014-12-01 68.697705000000000 2015-01-01 66.655472000000000 2015-02-01 62.914032000000000 2015-03-01 86.595705000000000 2015-04-01 79.567634000000000 2015-05-01 79.194988000000000 2015-06-01 117.531195000000000 2015-07-01 58.431690000000000 2015-08-01 62.698615000000000 2015-09-01 78.726531000000000 2015-10-01 67.060930000000000 2015-11-01 81.064664000000000 2015-12-01 91.349775000000000 2016-01-01 63.020652000000000 2016-02-01 50.408109000000000 2016-03-01 47.628650000000000 2016-04-01 48.612390000000000 2016-05-01 43.640092000000000 2016-06-01 77.616965000000000 2016-07-01 60.751459000000000 2016-08-01 56.912534000000000 2016-09-01 58.125034000000000 2016-10-01 48.537466000000000 2016-11-01 50.136227000000000 2016-12-01 51.891132000000000 2017-01-01 48.771750000000000 2017-02-01 42.756933000000000 2017-03-01 59.747366000000000 2017-04-01 45.685598000000000 2017-05-01 51.450250000000000 2017-06-01 58.630918000000000 2017-07-01 52.396190000000000 2017-08-01 43.957471000000000 2017-09-01 41.865235000000000 2017-10-01 47.236324000000000 2017-11-01 50.631481000000000 2017-12-01 51.574118000000000 2018-01-01 43.140957000000000 2018-02-01 35.915306000000000 2018-03-01 62.443728000000000 2018-04-01 41.614838000000000 2018-05-01 43.633720000000000 2018-06-01 42.988949000000000 2018-07-01 39.170285000000000 2018-08-01 42.295563000000000 2018-09-01 61.674072000000000 2018-10-01 52.916255000000000