Month	Percent
1992-12-01	10.195000000
1993-01-01	11.750000000
1993-02-01	12.438666670
1993-03-01	12.105600000
1993-04-01	12.195217390
1993-05-01	12.783200000
1993-06-01	12.083461540
1993-07-01	11.192727270
1993-08-01	9.791153846
1993-09-01	9.359545455
1993-10-01	9.572000000
1993-11-01	10.245769230
1993-12-01	9.826296296
1994-01-01	10.540000000
1994-02-01	10.541818180
1994-03-01	10.553461540
1994-04-01	10.542500000
1994-05-01	10.928400000
1994-06-01	11.562692310
1994-07-01	12.117200000
1994-08-01	12.563333330
1994-09-01	14.196000000
1994-10-01	15.552800000
1994-11-01	15.554230770
1994-12-01	17.032307690
1995-01-01	18.560000000
1995-02-01	18.510000000
1995-03-01	17.360000000
1995-04-01	15.990000000
1995-05-01	15.030000000
1995-06-01	14.480000000
1995-07-01	14.490000000
1995-08-01	14.210000000
1995-09-01	14.130000000
1995-10-01	14.710000000
1995-11-01	15.290000000
1995-12-01	15.270000000
1996-01-01	14.700000000
1996-02-01	15.160000000
1996-03-01	15.040000000
1996-04-01	15.080000000
1996-05-01	15.970000000
1996-06-01	16.780000000
1996-07-01	18.580000000
1996-08-01	17.750000000
1996-09-01	17.220000000
1996-10-01	16.830000000
1996-11-01	16.450000000
1996-12-01	16.470000000
1997-01-01	15.880000000
1997-02-01	15.320000000
1997-03-01	14.970000000
1997-04-01	14.980000000
1997-05-01	14.990000000
1997-06-01	14.690000000
1997-07-01	13.700000000
1997-08-01	13.670000000
1997-09-01	14.430000000
1997-10-01	14.570000000
1997-11-01	14.580000000
1997-12-01	14.620000000
1998-01-01	14.620000000
1998-02-01	13.930000000
1998-03-01	13.540000000
1998-04-01	13.070000000
1998-05-01	12.770000000
1998-06-01	12.400000000
1998-07-01	12.080000000
1998-08-01	10.670000000
1998-09-01	10.070000000
1998-10-01	10.070000000
1998-11-01	13.190000000
1998-12-01	14.550000000
1999-01-01	14.550000000
1999-02-01	14.560000000
1999-03-01	14.000000000
1999-04-01	13.440000000
1999-05-01	12.860000000
1999-06-01	12.860000000
1999-07-01	12.860000000
1999-08-01	12.310000000
1999-09-01	12.300000000
1999-10-01	12.300000000
1999-11-01	12.300000000
1999-12-01	11.960000000
2000-01-01	11.470000000
2000-02-01	10.960000000
2000-03-01	10.520000000
2000-04-01	10.190000000
2000-05-01	9.860000000
2000-06-01	9.870000000
2000-07-01	9.860000000
2000-08-01	9.650000000
2000-09-01	9.430000000
2000-10-01	9.090000000
2000-11-01	8.890000000
2000-12-01	8.660000000
2001-01-01	8.450000000
2001-02-01	8.130000000
2001-03-01	7.900000000
2001-04-01	7.580000000
2001-05-01	7.580000000
2001-06-01	7.300000000
2001-07-01	6.820000000
2001-08-01	6.600000000
2001-09-01	6.600000000
2001-10-01	6.600000000
2001-11-01	6.400000000
2001-12-01	5.950000000
2002-01-01	3.980000000
2002-02-01	4.020000000
2002-03-01	4.600000000
2002-04-01	4.600000000
2002-05-01	4.830000000
2002-06-01	6.820000000
2002-07-01	9.650000000
2002-08-01	9.640000000
2002-09-01	9.640000000
2002-10-01	9.640000000
2002-11-01	9.690000000
2002-12-01	9.640000000
2003-01-01	9.430000000
2003-02-01	9.420000000
2003-03-01	9.420000000
2003-04-01	9.200000000
2003-05-01	8.890000000
2003-06-01	8.440000000
2003-07-01	7.900000000
2003-08-01	7.360000000
2003-09-01	6.820000000
2003-10-01	6.400000000
2003-11-01	5.880000000
2003-12-01	5.420000000
2004-01-01	5.010000000
2004-02-01	4.700000000
2004-03-01	4.520000000
2004-04-01	4.280000000
2004-05-01	4.280000000
2004-06-01	4.280000000
2004-07-01	4.280000000
2004-08-01	4.280000000
2004-09-01	4.280000000
2004-10-01	4.280000000
2004-11-01	4.280000000
2004-12-01	4.080000000
2005-01-01	3.890000000
2005-02-01	3.660000000
2005-03-01	3.660000000
2005-04-01	3.660000000
2005-05-01	3.660000000
2005-06-01	3.660000000
2005-07-01	3.560000000
2005-08-01	3.560000000
2005-09-01	3.560000000
2005-10-01	3.820000000
2005-11-01	4.070000000
2005-12-01	4.600000000
2006-01-01	4.600000000
2006-02-01	4.860000000
2006-03-01	4.860000000
2006-04-01	5.120000000
2006-05-01	5.380000000
2006-06-01	5.380000000
2006-07-01	5.380000000
2006-08-01	5.660000000
2006-09-01	5.660000000
2006-10-01	5.660000000
2006-11-01	5.380000000
2006-12-01	5.120000000
2007-01-01	4.600000000
2007-02-01	4.340000000
2007-03-01	4.080000000
2007-04-01	4.080000000
2007-05-01	3.820000000
2007-06-01	3.560000000
2007-07-01	3.560000000
2007-08-01	3.820000000
2007-09-01	4.080000000
2007-10-01	4.080000000
2007-11-01	4.080000000
2007-12-01	4.080000000
2008-01-01	4.340000000
2008-02-01	4.340000000
2008-03-01	3.820000000
2008-04-01	3.300000000
2008-05-01	3.310000000
2008-06-01	3.560000000
2008-07-01	3.820000000
2008-08-01	4.080000000
2008-09-01	4.330000000
2008-10-01	4.040000000
2008-11-01	3.300000000
2008-12-01	2.540000000
2009-01-01	1.760000000
2009-02-01	1.000000000
2009-03-01	0.760000000
2009-04-01	0.500000000
2009-05-01	0.500000000
2009-06-01	0.500000000
2009-07-01	0.500000000
2009-08-01	0.500000000
2009-09-01	0.750000000
2009-10-01	0.760000000
2009-11-01	0.760000000
2009-12-01	1.000000000
2010-01-01	1.260000000
2010-02-01	1.260000000
2010-03-01	1.260000000
2010-04-01	1.520000000
2010-05-01	1.520000000
2010-06-01	1.520000000
2010-07-01	1.520000000
2010-08-01	1.760000000
2010-09-01	1.760000000
2010-10-01	2.010000000
2010-11-01	2.020000000
2010-12-01	2.020000000
2011-01-01	2.020000000
2011-02-01	2.280000000
2011-03-01	2.540000000
2011-04-01	3.040000000
2011-05-01	3.040000000
2011-06-01	3.300000000
2011-07-01	3.300000000
2011-08-01	3.300000000
2011-09-01	3.300000000
2011-10-01	3.070000000
2011-11-01	3.040000000
2011-12-01	2.780000000
2012-01-01	2.780000000
2012-02-01	2.550000000
2012-03-01	2.540000000
2012-04-01	2.540000000
2012-05-01	2.540000000
2012-06-01	2.540000000
2012-07-01	2.330000000
2012-08-01	2.280000000
2012-09-01	2.280000000
2012-10-01	2.280000000
2012-11-01	2.020000000
2012-12-01	2.020000000
2013-01-01	1.760000000
2013-02-01	1.760000000
2013-03-01	1.760000000
2013-04-01	1.760000000
2013-05-01	1.670000000
2013-06-01	1.270000000
2013-07-01	1.260000000
2013-08-01	1.260000000
2013-09-01	1.260000000
2013-10-01	1.010000000
2013-11-01	1.000000000
2013-12-01	1.000000000
2014-01-01	1.000000000
2014-02-01	1.000000000
2014-03-01	0.790000000
2014-04-01	0.760000000
2014-05-01	0.760000000
2014-06-01	0.760000000
2014-07-01	0.760000000
2014-08-01	0.500000000
2014-09-01	0.270000000
2014-10-01	0.260000000
2014-11-01	0.260000000
2014-12-01	0.260000000
2015-01-01	0.260000000
2015-02-01	0.260000000
2015-03-01	0.100000000
2015-04-01	0.100000000
2015-05-01	0.100000000
2015-06-01	0.110000000
2015-07-01	0.100000000
2015-08-01	0.100000000
2015-09-01	0.100000000
2015-10-01	0.100000000
2015-11-01	0.100000000
2015-12-01	0.100000000
2016-01-01	0.100000000
2016-02-01	0.100000000
2016-03-01	0.100000000
2016-04-01	0.100000000
2016-05-01	0.100000000
2016-06-01	0.100000000
2016-07-01	0.100000000
2016-08-01	0.100000000
2016-09-01	0.100000000
2016-10-01	0.100000000
2016-11-01	0.100000000
2016-12-01	0.100000000
2017-01-01	0.100000000
2017-02-01	0.100000000
2017-03-01	0.100000000
2017-04-01	0.100000000
2017-05-01	0.100000000
2017-06-01	0.100000000
2017-07-01	0.100000000
2017-09-01	0.100000000
2017-10-01	0.100000000
2017-11-01	0.100000000
2017-12-01	0.100000000
2018-01-01	0.100000000
2018-02-01	0.100000000
2018-03-01	0.100000000
2018-04-01	0.100000000
2018-05-01	0.100000000
2018-06-01	0.100000000
2018-07-01	0.100000000
2018-08-01	0.100000000
2018-09-01	0.100000000