Month Millions of Dollars 1992-01-01 3.5000000000000000 1992-02-01 6.0000000000000000 1992-03-01 2.1000000000000000 1992-04-01 8.1000000000000000 1992-05-01 5.4000000000000000 1992-06-01 6.8000000000000000 1992-07-01 3.1000000000000000 1992-08-01 4.1000000000000000 1992-09-01 11.2000000000000000 1992-10-01 6.3000000000000000 1992-11-01 1.1000000000000000 1992-12-01 2.8000000000000000 1993-01-01 2.6000000000000000 1993-02-01 4.1000000000000000 1993-03-01 5.5000000000000000 1993-04-01 3.2000000000000000 1993-05-01 6.0000000000000000 1993-06-01 7.7000000000000000 1993-07-01 1.4000000000000000 1993-08-01 3.5000000000000000 1993-09-01 5.2000000000000000 1993-10-01 8.0000000000000000 1993-11-01 10.5000000000000000 1993-12-01 1.8000000000000000 1994-01-01 3.4000000000000000 1994-02-01 3.4000000000000000 1994-03-01 3.6000000000000000 1994-04-01 3.8000000000000000 1994-05-01 3.4000000000000000 1994-06-01 3.3000000000000000 1994-07-01 4.1000000000000000 1994-08-01 4.2000000000000000 1994-09-01 3.8000000000000000 1994-10-01 8.4000000000000000 1994-11-01 3.7000000000000000 1994-12-01 4.6000000000000000 1995-01-01 6.1000000000000000 1995-02-01 2.7000000000000000 1995-03-01 5.7000000000000000 1995-04-01 5.8000000000000000 1995-05-01 8.2000000000000000 1995-06-01 6.2000000000000000 1995-07-01 8.3000000000000000 1995-08-01 6.7000000000000000 1995-09-01 3.5000000000000000 1995-10-01 4.1000000000000000 1995-11-01 2.2000000000000000 1995-12-01 7.0000000000000000 1996-01-01 10.3000000000000000 1996-02-01 12.3000000000000000 1996-03-01 8.0000000000000000 1996-04-01 5.7000000000000000 1996-05-01 9.3000000000000000 1996-06-01 7.1000000000000000 1996-07-01 3.9000000000000000 1996-08-01 6.4000000000000000 1996-09-01 4.9000000000000000 1996-10-01 10.0000000000000000 1996-11-01 6.4000000000000000 1996-12-01 2.8000000000000000 1997-01-01 7.5000000000000000 1997-02-01 10.4000000000000000 1997-03-01 4.5000000000000000 1997-04-01 4.3000000000000000 1997-05-01 5.2000000000000000 1997-06-01 5.7000000000000000 1997-07-01 6.6000000000000000 1997-08-01 3.8000000000000000 1997-09-01 7.9000000000000000 1997-10-01 10.5000000000000000 1997-11-01 7.0000000000000000 1997-12-01 9.5000000000000000 1998-01-01 4.3000000000000000 1998-02-01 6.3000000000000000 1998-03-01 2.2000000000000000 1998-04-01 5.9000000000000000 1998-05-01 5.4000000000000000 1998-06-01 8.9000000000000000 1998-07-01 5.2000000000000000 1998-08-01 2.1000000000000000 1998-09-01 5.8000000000000000 1998-10-01 8.7000000000000000 1998-11-01 4.8000000000000000 1998-12-01 5.9000000000000000 1999-01-01 7.0000000000000000 1999-02-01 2.7000000000000000 1999-03-01 8.7000000000000000 1999-04-01 8.5000000000000000 1999-05-01 4.8000000000000000 1999-06-01 7.2000000000000000 1999-07-01 3.5000000000000000 1999-08-01 0.9000000000000000 1999-09-01 2.9000000000000000 1999-10-01 3.3000000000000000 1999-11-01 3.1000000000000000 1999-12-01 2.0000000000000000 2000-01-01 2.9000000000000000 2000-02-01 9.7000000000000000 2000-03-01 7.5000000000000000 2000-04-01 2.8000000000000000 2000-05-01 4.2000000000000000 2000-06-01 5.2000000000000000 2000-07-01 4.0000000000000000 2000-08-01 5.2000000000000000 2000-09-01 3.3000000000000000 2000-10-01 5.4000000000000000 2000-11-01 3.4000000000000000 2000-12-01 14.4000000000000000 2001-01-01 8.9000000000000000 2001-02-01 3.2000000000000000 2001-03-01 4.1000000000000000 2001-04-01 9.1000000000000000 2001-05-01 2.3000000000000000 2001-06-01 7.0000000000000000 2001-07-01 5.5000000000000000 2001-08-01 8.6000000000000000 2001-09-01 7.8000000000000000 2001-10-01 6.1000000000000000 2001-11-01 5.8000000000000000 2001-12-01 4.9000000000000000 2002-01-01 4.7000000000000000 2002-02-01 4.6000000000000000 2002-03-01 3.9000000000000000 2002-04-01 3.1000000000000000 2002-05-01 1.3000000000000000 2002-06-01 9.2000000000000000 2002-07-01 11.5000000000000000 2002-08-01 6.9000000000000000 2002-09-01 3.6000000000000000 2002-10-01 5.7000000000000000 2002-11-01 3.5000000000000000 2002-12-01 4.9000000000000000 2003-01-01 3.9756720000000000 2003-02-01 1.9319450000000000 2003-03-01 4.1917800000000000 2003-04-01 2.7313410000000000 2003-05-01 2.9180530000000000 2003-06-01 2.6736300000000000 2003-07-01 2.4130860000000000 2003-08-01 5.8311659999999990 2003-09-01 2.3065730000000000 2003-10-01 3.0751540000000000 2003-11-01 1.3241200000000000 2003-12-01 2.4446810000000000 2004-01-01 3.9472090000000000 2004-02-01 3.7283350000000000 2004-03-01 7.0186070000000020 2004-04-01 1.6832059999999995 2004-05-01 6.1202560000000010 2004-06-01 7.3248820000000000 2004-07-01 2.7212080000000003 2004-08-01 5.5723750000000010 2004-09-01 6.3568150000000020 2004-10-01 3.4796630000000000 2004-11-01 5.0183549999999990 2004-12-01 5.8744729999999980 2005-01-01 7.0337810000000000 2005-02-01 3.9957470000000000 2005-03-01 11.2977900000000000 2005-04-01 6.8564419999999990 2005-05-01 8.6613760000000020 2005-06-01 6.0267030000000000 2005-07-01 6.5032740000000000 2005-08-01 10.5492300000000000 2005-09-01 7.6314490000000000 2005-10-01 8.3414610000000020 2005-11-01 7.3723860000000000 2005-12-01 9.3274209999999980 2006-01-01 5.8242330000000000 2006-02-01 6.0258879999999980 2006-03-01 5.0494700000000010 2006-04-01 3.5468119999999990 2006-05-01 4.1558099999999990 2006-06-01 5.5626170000000000 2006-07-01 5.1437249999999990 2006-08-01 6.3550329999999990 2006-09-01 7.4440020000000020 2006-10-01 5.7833040000000000 2006-11-01 6.5527150000000000 2006-12-01 3.3067660000000010 2007-01-01 4.4519179999999990 2007-02-01 4.7816150000000000 2007-03-01 2.9827520000000000 2007-04-01 6.1744900000000000 2007-05-01 5.4822820000000000 2007-06-01 3.1734900000000006 2007-07-01 5.9740480000000000 2007-08-01 5.9379939999999980 2007-09-01 10.3637490000000000 2007-10-01 10.0822140000000000 2007-11-01 7.5249660000000020 2007-12-01 6.6017270000000010 2008-01-01 6.7112960000000020 2008-02-01 10.1627600000000000 2008-03-01 7.8337660000000020 2008-04-01 6.7368960000000015 2008-05-01 11.0033280000000000 2008-06-01 9.8006539999999980 2008-07-01 11.7788040000000030 2008-08-01 8.0826459999999990 2008-09-01 7.0633970000000000 2008-10-01 9.0303380000000000 2008-11-01 4.6611400000000000 2008-12-01 8.9378010000000000 2009-01-01 11.9127250000000000 2009-02-01 6.0592860000000000 2009-03-01 9.0706400000000000 2009-04-01 9.1902120000000000 2009-05-01 11.5387350000000000 2009-06-01 9.0573490000000000 2009-07-01 8.2101489999999980 2009-08-01 6.1238120000000000 2009-09-01 5.0480000000000010 2009-10-01 6.4987930000000000 2009-11-01 6.7651929999999980 2009-12-01 5.3181730000000000 2010-01-01 3.4842039999999990 2010-02-01 4.4880070000000000 2010-03-01 8.5080749999999980 2010-04-01 7.4454920000000000 2010-05-01 5.7338400000000000 2010-06-01 10.3369100000000000 2010-07-01 6.8759299999999985 2010-08-01 7.6290530000000000 2010-09-01 5.7998470000000000 2010-10-01 8.1261380000000000 2010-11-01 6.0860940000000020 2010-12-01 10.5483620000000000 2011-01-01 7.2066640000000020 2011-02-01 8.9015909999999980 2011-03-01 33.7419770000000000 2011-04-01 36.5694020000000000 2011-05-01 13.2804570000000020 2011-06-01 6.2090870000000020 2011-07-01 11.1051230000000000 2011-08-01 25.2531170000000000 2011-09-01 30.7317540000000100 2011-10-01 11.1265500000000000 2011-11-01 36.6080810000000000 2011-12-01 35.4264660000000050 2012-01-01 11.0819540000000000 2012-02-01 8.4490830000000000 2012-03-01 36.7727720000000000 2012-04-01 12.2864340000000000 2012-05-01 12.4492160000000000 2012-06-01 9.3058820000000000 2012-07-01 11.1402790000000000 2012-08-01 6.2268280000000000 2012-09-01 20.6331630000000000 2012-10-01 9.6104960000000000 2012-11-01 5.1163130000000000 2012-12-01 11.5498170000000000 2013-01-01 4.9082410000000000 2013-02-01 6.0197270000000000 2013-03-01 14.6982570000000000 2013-04-01 3.5788330000000000 2013-05-01 9.7413360000000000 2013-06-01 5.5527400000000000 2013-07-01 8.4626880000000000 2013-08-01 4.1618270000000000 2013-09-01 3.1297850000000000 2013-10-01 8.2705970000000000 2013-11-01 3.5279090000000000 2013-12-01 7.4110400000000000 2014-01-01 2.5790650000000000 2014-02-01 3.0389580000000000 2014-03-01 8.9579550000000000 2014-04-01 4.5611370000000000 2014-05-01 5.5351180000000000 2014-06-01 6.7720390000000000 2014-07-01 3.7211500000000000 2014-08-01 7.1785520000000000 2014-09-01 3.1214570000000000 2014-10-01 6.6856160000000000 2014-11-01 4.7372420000000000 2014-12-01 8.2973460000000000 2015-01-01 3.2038770000000000 2015-02-01 2.7617410000000000 2015-03-01 38.7640010000000000 2015-04-01 11.3204560000000000 2015-05-01 9.6819680000000000 2015-06-01 7.0343300000000000 2015-07-01 37.5849620000000000 2015-08-01 3.8302670000000000 2015-09-01 3.6093760000000000 2015-10-01 4.9015630000000000 2015-11-01 4.2307810000000000 2015-12-01 8.3608070000000000 2016-01-01 3.6654300000000000 2016-02-01 4.0219160000000000 2016-03-01 9.1402830000000000 2016-04-01 4.9626970000000000 2016-05-01 7.2461140000000000 2016-06-01 10.0480750000000000 2016-07-01 6.8693010000000000 2016-08-01 9.5433070000000000 2016-09-01 10.5511360000000000 2016-10-01 6.4012570000000000 2016-11-01 4.1116340000000000 2016-12-01 7.6289830000000000 2017-01-01 5.8353320000000000 2017-02-01 4.6686180000000000 2017-03-01 9.4421950000000000 2017-04-01 9.2521480000000000 2017-05-01 15.7028230000000000 2017-06-01 6.9741090000000000 2017-07-01 10.0564960000000000 2017-08-01 7.3905810000000000 2017-09-01 8.6686640000000000 2017-10-01 8.9535270000000000 2017-11-01 7.4321220000000000 2017-12-01 8.6458160000000000 2018-01-01 8.6660180000000000 2018-02-01 21.4293520000000000 2018-03-01 7.6994960000000000 2018-04-01 7.5321730000000000 2018-05-01 15.2939090000000000 2018-06-01 7.1717990000000000 2018-07-01 13.0071700000000000 2018-08-01 9.6661880000000000 2018-09-01 5.6840960000000000 2018-10-01 13.2743340000000000