Month Millions of Dollars 1992-01-01 0.00000000000000000000 1992-02-01 0.00000000000000000000 1992-03-01 0.50000000000000000000 1992-04-01 0.00000000000000000000 1992-05-01 0.00000000000000000000 1992-06-01 0.30000000000000000000 1992-07-01 0.00000000000000000000 1992-08-01 0.80000000000000000000 1992-09-01 0.70000000000000000000 1992-10-01 0.00000000000000000000 1992-11-01 0.00000000000000000000 1992-12-01 0.20000000000000000000 1993-01-01 0.00000000000000000000 1993-02-01 0.00000000000000000000 1993-03-01 0.00000000000000000000 1993-04-01 0.00000000000000000000 1993-05-01 0.00000000000000000000 1993-06-01 0.10000000000000000000 1993-07-01 0.00000000000000000000 1993-08-01 0.00000000000000000000 1993-09-01 0.00000000000000000000 1993-10-01 0.00000000000000000000 1993-11-01 0.10000000000000000000 1993-12-01 0.00000000000000000000 1994-01-01 0.00000000000000000000 1994-02-01 0.00000000000000000000 1994-03-01 0.00000000000000000000 1994-04-01 0.00000000000000000000 1994-05-01 0.00000000000000000000 1994-06-01 0.00000000000000000000 1994-07-01 0.00000000000000000000 1994-08-01 0.00000000000000000000 1994-09-01 0.00000000000000000000 1994-10-01 0.00000000000000000000 1994-11-01 0.00000000000000000000 1994-12-01 0.00000000000000000000 1995-01-01 0.00000000000000000000 1995-02-01 0.00000000000000000000 1995-03-01 0.00000000000000000000 1995-04-01 0.00000000000000000000 1995-05-01 0.00000000000000000000 1995-06-01 0.00000000000000000000 1995-07-01 0.00000000000000000000 1995-08-01 0.00000000000000000000 1995-09-01 0.00000000000000000000 1995-10-01 0.00000000000000000000 1995-11-01 0.00000000000000000000 1995-12-01 0.00000000000000000000 1996-01-01 0.00000000000000000000 1996-02-01 0.00000000000000000000 1996-03-01 0.00000000000000000000 1996-04-01 0.00000000000000000000 1996-05-01 0.00000000000000000000 1996-06-01 0.00000000000000000000 1996-07-01 0.00000000000000000000 1996-08-01 0.00000000000000000000 1996-09-01 0.00000000000000000000 1996-10-01 0.00000000000000000000 1996-11-01 0.00000000000000000000 1996-12-01 0.10000000000000000000 1997-01-01 0.10000000000000000000 1997-02-01 0.00000000000000000000 1997-03-01 0.00000000000000000000 1997-04-01 0.00000000000000000000 1997-05-01 0.00000000000000000000 1997-06-01 0.00000000000000000000 1997-07-01 0.00000000000000000000 1997-08-01 0.00000000000000000000 1997-09-01 0.00000000000000000000 1997-10-01 0.00000000000000000000 1997-11-01 0.00000000000000000000 1997-12-01 0.00000000000000000000 1998-01-01 0.00000000000000000000 1998-02-01 0.00000000000000000000 1998-03-01 0.00000000000000000000 1998-04-01 0.00000000000000000000 1998-05-01 0.30000000000000000000 1998-06-01 0.10000000000000000000 1998-07-01 0.00000000000000000000 1998-08-01 0.00000000000000000000 1998-09-01 0.00000000000000000000 1998-10-01 0.00000000000000000000 1998-11-01 0.10000000000000000000 1998-12-01 0.00000000000000000000 1999-01-01 0.00000000000000000000 1999-02-01 0.00000000000000000000 1999-03-01 0.10000000000000000000 1999-04-01 0.00000000000000000000 1999-05-01 0.00000000000000000000 1999-06-01 0.00000000000000000000 1999-07-01 0.00000000000000000000 1999-08-01 0.00000000000000000000 1999-09-01 0.00000000000000000000 1999-10-01 0.00000000000000000000 1999-11-01 0.00000000000000000000 1999-12-01 0.00000000000000000000 2000-01-01 0.00000000000000000000 2000-02-01 0.00000000000000000000 2000-03-01 0.00000000000000000000 2000-04-01 0.00000000000000000000 2000-05-01 0.30000000000000000000 2000-06-01 0.00000000000000000000 2000-07-01 0.00000000000000000000 2000-08-01 0.00000000000000000000 2000-09-01 0.00000000000000000000 2000-10-01 0.10000000000000000000 2000-11-01 0.00000000000000000000 2000-12-01 0.00000000000000000000 2001-01-01 0.00000000000000000000 2001-02-01 0.00000000000000000000 2001-03-01 0.00000000000000000000 2001-04-01 0.00000000000000000000 2001-05-01 0.00000000000000000000 2001-06-01 0.00000000000000000000 2001-07-01 0.00000000000000000000 2001-08-01 0.10000000000000000000 2001-09-01 0.00000000000000000000 2001-10-01 0.00000000000000000000 2001-11-01 0.10000000000000000000 2001-12-01 0.10000000000000000000 2002-01-01 0.20000000000000000000 2002-02-01 0.00000000000000000000 2002-03-01 0.00000000000000000000 2002-04-01 0.00000000000000000000 2002-05-01 0.00000000000000000000 2002-06-01 0.10000000000000000000 2002-07-01 0.00000000000000000000 2002-08-01 0.00000000000000000000 2002-09-01 0.00000000000000000000 2002-10-01 0.00000000000000000000 2002-11-01 0.00000000000000000000 2002-12-01 0.00000000000000000000 2003-01-01 0.02417500000000000000 2003-02-01 0.01210000000000000000 2003-03-01 0.00371599999999999930 2003-04-01 0.01832000000000000000 2003-05-01 0.04374500000000000000 2003-06-01 0.00031400000000000000 2003-07-01 0.02547999999999999600 2003-08-01 0.00880000000000000000 2003-09-01 0.01138399999999999800 2003-10-01 0.01761800000000000000 2003-11-01 0.00000000000000000000 2003-12-01 0.01753000000000000000 2004-01-01 0.01660899999999999500 2004-02-01 0.08092299999999998000 2004-03-01 0.01016700000000000200 2004-04-01 0.00573500000000000000 2004-05-01 0.01437000000000000000 2004-06-01 0.17181399999999997000 2004-07-01 0.00497800000000000000 2004-08-01 0.01200000000000000000 2004-09-01 0.00000000000000000000 2004-10-01 0.15877199999999997000 2004-11-01 0.06001599999999998600 2004-12-01 0.13915100000000002000 2005-01-01 0.00033599999999999993 2005-02-01 0.00090000000000000000 2005-03-01 0.07996100000000000000 2005-04-01 0.00000000000000000000 2005-05-01 0.01298700000000000000 2005-06-01 0.00879600000000000000 2005-07-01 0.11332300000000000000 2005-08-01 0.00754400000000000000 2005-09-01 0.03161300000000001000 2005-10-01 0.00031899999999999990 2005-11-01 0.03951999999999999000 2005-12-01 0.01233900000000000000 2006-01-01 0.17613000000000000000 2006-02-01 0.01045899999999999800 2006-03-01 0.01052200000000000000 2006-04-01 0.01439600000000000300 2006-05-01 0.00336500000000000100 2006-06-01 0.00000000000000000000 2006-07-01 0.06017900000000002000 2006-08-01 0.00696500000000000000 2006-09-01 0.07633800000000002000 2006-10-01 0.01765299999999999500 2006-11-01 0.00000000000000000000 2006-12-01 0.01155500000000000000 2007-01-01 0.00036000000000000010 2007-02-01 0.01364500000000000000 2007-03-01 0.04342900000000001000 2007-04-01 0.02841200000000000000 2007-05-01 0.02271900000000000000 2007-06-01 0.02582000000000000000 2007-07-01 0.00271900000000000000 2007-08-01 0.01247500000000000200 2007-09-01 0.01137500000000000000 2007-10-01 0.00000000000000000000 2007-11-01 0.01418299999999999800 2007-12-01 0.00000000000000000000 2008-01-01 0.00225999999999999940 2008-02-01 0.00333800000000000000 2008-03-01 0.00918100000000000000 2008-04-01 0.00562599999999999900 2008-05-01 0.02281500000000000000 2008-06-01 0.03314600000000000000 2008-07-01 0.02071200000000000500 2008-08-01 0.02729900000000000000 2008-09-01 0.00167800000000000000 2008-10-01 0.00236500000000000000 2008-11-01 0.05851900000000000000 2008-12-01 0.01904399999999999500 2009-01-01 0.00337099999999999900 2009-02-01 0.00275900000000000060 2009-03-01 0.00684700000000000150 2009-04-01 0.00043699999999999994 2009-05-01 0.02408499999999999500 2009-06-01 0.01984400000000000000 2009-07-01 0.00000000000000000000 2009-08-01 0.01122300000000000000 2009-09-01 0.02398000000000000000 2009-10-01 0.04374500000000000000 2009-11-01 0.00031400000000000000 2009-12-01 0.11621500000000000000 2010-01-01 0.00285100000000000000 2010-02-01 0.00239700000000000000 2010-03-01 0.00000000000000000000 2010-04-01 0.00023099999999999995 2010-05-01 0.00017300000000000000 2010-06-01 0.02233600000000000000 2010-07-01 0.00034300000000000000 2010-08-01 0.00591600000000000000 2010-09-01 0.09595599999999999000 2010-10-01 0.00000000000000000000 2010-11-01 0.00237400000000000000 2010-12-01 0.00695500000000000000 2011-01-01 0.00211500000000000060 2011-02-01 0.19717300000000000000 2011-03-01 0.00000000000000000000 2011-04-01 0.22814899999999996000 2011-05-01 0.28673600000000000000 2011-06-01 0.05127500000000000000 2011-07-01 0.00001200000000000000 2011-08-01 0.07426099999999998000 2011-09-01 0.21348100000000000000 2011-10-01 0.02294600000000000000 2011-11-01 0.01223700000000000000 2011-12-01 0.01691000000000000500 2012-01-01 0.20697900000000000000 2012-02-01 0.00147100000000000000 2012-03-01 0.08714000000000000000 2012-04-01 0.11321200000000000000 2012-05-01 0.07445500000000000000 2012-06-01 0.21264200000000000000 2012-07-01 0.06453500000000000000 2012-08-01 0.05227100000000000000 2012-09-01 0.00311200000000000000 2012-10-01 0.08018300000000000000 2012-11-01 0.02373600000000000000 2012-12-01 0.05590100000000000000 2013-01-01 0.00908500000000000000 2013-02-01 0.08132600000000000000 2013-03-01 0.28192000000000000000 2013-04-01 0.10126700000000000000 2013-05-01 0.00437600000000000000 2013-06-01 0.00205300000000000000 2013-07-01 0.07324800000000000000 2013-08-01 0.08362200000000000000 2013-09-01 0.23080600000000000000 2013-10-01 0.10182600000000000000 2013-11-01 0.06381800000000000000 2013-12-01 0.16054100000000000000 2014-01-01 0.06886100000000000000 2014-02-01 0.04345200000000000000 2014-03-01 0.02792500000000000000 2014-04-01 0.00481900000000000000 2014-05-01 0.00157000000000000000 2014-06-01 0.00410900000000000000 2014-07-01 0.08804700000000000000 2014-08-01 0.05096700000000000000 2014-09-01 0.01237700000000000000 2014-10-01 0.10405300000000000000 2014-11-01 0.05868600000000000000 2014-12-01 0.08303600000000000000 2015-01-01 0.06963500000000000000 2015-02-01 0.01637200000000000000 2015-03-01 0.09917600000000000000 2015-04-01 0.13666800000000000000 2015-05-01 0.00225900000000000000 2015-06-01 0.10742500000000000000 2015-07-01 0.01709500000000000000 2015-08-01 0.09241300000000000000 2015-09-01 0.00513300000000000000 2015-10-01 0.12746400000000000000 2015-11-01 0.04429400000000000000 2015-12-01 0.17817800000000000000 2016-01-01 0.20631100000000000000 2016-02-01 0.00381400000000000000 2016-03-01 0.02276800000000000000 2016-04-01 0.20888500000000000000 2016-05-01 0.17642600000000000000 2016-06-01 0.00005000000000000000 2016-07-01 0.04993200000000000000 2016-08-01 0.01118600000000000000 2016-09-01 0.08695200000000000000 2016-10-01 0.00207900000000000000 2016-11-01 0.20539400000000000000 2016-12-01 0.01413500000000000000 2017-01-01 0.03563800000000000000 2017-02-01 0.04120600000000000000 2017-03-01 0.02286800000000000000 2017-04-01 0.10987200000000000000 2017-05-01 0.00015900000000000000 2017-06-01 0.11915800000000000000 2017-07-01 0.05088400000000000000 2017-08-01 0.00169300000000000000 2017-09-01 0.46214900000000000000 2017-10-01 0.00106200000000000000 2017-11-01 0.07168000000000000000 2017-12-01 0.07049900000000000000 2018-01-01 0.04444600000000000000 2018-02-01 0.32708400000000000000 2018-03-01 0.11788900000000000000 2018-04-01 0.10764400000000000000 2018-05-01 0.00274200000000000000 2018-06-01 0.02644100000000000000 2018-07-01 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