Month	Percent
1980-01-01	11.000000000
1980-02-01	13.000000000
1980-03-01	15.000000000
1980-04-01	10.000000000
1980-05-01	9.000000000
1980-06-01	0.000000000
1980-07-01	-5.000000000
1980-08-01	-1.000000000
1980-09-01	-3.000000000
1980-10-01	9.000000000
1980-11-01	12.000000000
1980-12-01	16.000000000
1981-01-01	8.000000000
1981-02-01	7.000000000
1981-03-01	10.000000000
1981-04-01	10.000000000
1981-05-01	1.000000000
1981-06-01	0.000000000
1981-07-01	0.000000000
1981-08-01	-2.000000000
1981-09-01	-4.000000000
1981-10-01	-5.000000000
1981-11-01	7.000000000
1981-12-01	6.000000000
1982-01-01	1.000000000
1982-02-01	3.000000000
1982-03-01	8.000000000
1982-04-01	1.000000000
1982-05-01	0.000000000
1982-06-01	-4.000000000
1982-07-01	-1.000000000
1982-08-01	7.000000000
1982-09-01	6.000000000
1982-10-01	0.000000000
1982-11-01	-5.000000000
1982-12-01	3.000000000
1983-01-01	-2.000000000
1983-02-01	-11.000000000
1983-03-01	-18.000000000
1983-04-01	-22.000000000
1983-05-01	-19.000000000
1983-06-01	-17.000000000
1983-07-01	-9.000000000
1983-08-01	-3.000000000
1983-09-01	5.000000000
1983-10-01	6.000000000
1983-11-01	11.000000000
1983-12-01	15.000000000
1984-01-01	16.000000000
1984-02-01	18.000000000
1984-03-01	21.000000000
1984-04-01	5.000000000
1984-05-01	18.000000000
1984-06-01	7.000000000
1984-07-01	7.000000000
1984-08-01	15.000000000
1984-09-01	10.000000000
1984-10-01	13.000000000
1984-11-01	19.000000000
1984-12-01	19.000000000
1985-01-01	9.000000000
1985-02-01	15.000000000
1985-03-01	14.000000000
1985-04-01	9.000000000
1985-05-01	9.000000000
1985-06-01	4.000000000
1985-07-01	9.000000000
1985-08-01	10.000000000
1985-09-01	14.000000000
1985-10-01	15.000000000
1985-11-01	18.000000000
1985-12-01	21.000000000
1986-01-01	22.000000000
1986-02-01	24.000000000
1986-03-01	24.000000000
1986-04-01	34.000000000
1986-05-01	24.000000000
1986-06-01	25.000000000
1986-07-01	29.000000000
1986-08-01	26.000000000
1986-09-01	29.000000000
1986-10-01	34.000000000
1986-11-01	37.000000000
1986-12-01	40.000000000
1987-01-01	29.000000000
1987-02-01	31.000000000
1987-03-01	26.000000000
1987-04-01	31.000000000
1987-05-01	26.000000000
1987-06-01	31.000000000
1987-07-01	31.000000000
1987-08-01	37.000000000
1987-09-01	38.000000000
1987-10-01	36.000000000
1987-11-01	42.000000000
1987-12-01	43.000000000
1988-01-01	34.000000000
1988-02-01	40.000000000
1988-03-01	34.000000000
1988-04-01	30.000000000
1988-05-01	31.000000000
1988-06-01	31.000000000
1988-07-01	26.000000000
1988-08-01	26.000000000
1988-09-01	19.000000000
1988-10-01	14.000000000
1988-11-01	18.000000000
1988-12-01	30.000000000
1989-01-01	20.000000000
1989-02-01	20.000000000
1989-03-01	20.000000000
1989-04-01	19.000000000
1989-05-01	15.000000000
1989-06-01	14.000000000
1989-07-01	17.000000000
1989-08-01	13.000000000
1989-09-01	12.000000000
1989-10-01	19.000000000
1989-11-01	22.000000000
1989-12-01	25.000000000
1990-01-01	22.000000000
1990-02-01	26.000000000
1990-03-01	25.000000000
1990-04-01	24.000000000
1990-05-01	26.000000000
1990-06-01	24.000000000
1990-07-01	16.000000000
1990-08-01	22.000000000
1990-09-01	24.000000000
1990-10-01	26.000000000
1990-11-01	31.000000000
1990-12-01	31.000000000
1991-01-01	15.000000000
1991-02-01	10.000000000
1991-03-01	12.000000000
1991-04-01	19.000000000
1991-05-01	13.000000000
1991-06-01	8.000000000
1991-07-01	12.000000000
1991-08-01	4.000000000
1991-09-01	12.000000000
1991-10-01	15.000000000
1991-11-01	16.000000000
1991-12-01	26.000000000
1992-01-01	24.000000000
1992-02-01	21.000000000
1992-03-01	22.000000000
1992-04-01	17.000000000
1992-05-01	23.000000000
1992-06-01	26.000000000
1992-07-01	37.000000000
1992-08-01	35.000000000
1992-09-01	40.000000000
1992-10-01	47.000000000
1992-11-01	46.000000000
1992-12-01	47.000000000
1993-01-01	39.000000000
1993-02-01	38.000000000
1993-03-01	37.000000000
1993-04-01	31.000000000
1993-05-01	25.000000000
1993-06-01	23.000000000
1993-07-01	17.000000000
1993-08-01	17.000000000
1993-09-01	25.000000000
1993-10-01	28.000000000
1993-11-01	31.000000000
1993-12-01	31.000000000
1994-01-01	25.000000000
1994-02-01	26.000000000
1994-03-01	24.000000000
1994-04-01	29.000000000
1994-05-01	24.000000000
1994-06-01	19.000000000
1994-07-01	23.000000000
1994-08-01	26.000000000
1994-09-01	25.000000000
1994-10-01	29.000000000
1994-11-01	38.000000000
1994-12-01	33.000000000
1995-01-01	20.000000000
1995-02-01	23.000000000
1995-03-01	22.000000000
1995-04-01	12.000000000
1995-05-01	5.000000000
1995-06-01	0.000000000
1995-07-01	-2.000000000
1995-08-01	1.000000000
1995-09-01	2.000000000
1995-10-01	4.000000000
1995-11-01	9.000000000
1995-12-01	12.000000000
1996-01-01	4.000000000
1996-02-01	-1.000000000
1996-03-01	-4.000000000
1996-04-01	-13.000000000
1996-05-01	-15.000000000
1996-06-01	-15.277777780
1996-07-01	-13.368983960
1996-08-01	-16.223404260
1996-09-01	-15.362318840
1996-10-01	-17.008797650
1996-11-01	-16.119402990
1996-12-01	-1.497005988
1997-01-01	-1.159420290
1997-02-01	-5.810397554
1997-03-01	-12.356321840
1997-04-01	-5.278592375
1997-05-01	-10.000000000
1997-06-01	-16.622691290
1997-07-01	-11.232189970
1997-08-01	-17.000000000
1997-09-01	-5.000000000
1997-10-01	6.000000000
1997-11-01	5.000000000
1997-12-01	17.000000000
1998-01-01	10.000000000
1998-02-01	9.000000000
1998-03-01	9.000000000
1998-04-01	-1.000000000
1998-05-01	-15.000000000
1998-06-01	-20.000000000
1998-07-01	-19.000000000
1998-08-01	-21.000000000
1998-09-01	-24.000000000
1998-10-01	-23.000000000
1998-11-01	-25.000000000
1998-12-01	-19.000000000
1999-01-01	-27.000000000
1999-02-01	-33.000000000
1999-03-01	-42.000000000
1999-04-01	-45.000000000
1999-05-01	-43.000000000
1999-06-01	-42.000000000
1999-07-01	-35.000000000
1999-08-01	-27.000000000
1999-09-01	-17.000000000
1999-10-01	-13.000000000
1999-11-01	-8.000000000
1999-12-01	0.000000000
2000-01-01	-6.000000000
2000-02-01	3.000000000
2000-03-01	2.000000000
2000-04-01	2.000000000
2000-05-01	-2.000000000
2000-06-01	5.000000000
2000-07-01	7.000000000
2000-08-01	17.000000000
2000-09-01	10.000000000
2000-10-01	13.000000000
2000-11-01	20.000000000
2000-12-01	24.000000000
2001-01-01	17.000000000
2001-02-01	11.000000000
2001-03-01	11.000000000
2001-04-01	3.000000000
2001-05-01	2.000000000
2001-06-01	1.000000000
2001-07-01	1.000000000
2001-08-01	6.000000000
2001-09-01	5.000000000
2001-10-01	8.000000000
2001-11-01	13.000000000
2001-12-01	15.000000000
2002-01-01	16.000000000
2002-02-01	8.000000000
2002-03-01	3.000000000
2002-04-01	10.000000000
2002-05-01	11.000000000
2002-06-01	8.000000000
2002-07-01	7.000000000
2002-08-01	10.000000000
2002-09-01	12.000000000
2002-10-01	19.000000000
2002-11-01	22.000000000
2002-12-01	25.000000000
2003-01-01	18.000000000
2003-02-01	11.000000000
2003-03-01	14.000000000
2003-04-01	13.000000000
2003-05-01	17.000000000
2003-06-01	16.000000000
2003-07-01	24.000000000
2003-08-01	22.000000000
2003-09-01	28.000000000
2003-10-01	34.000000000
2003-11-01	39.000000000
2003-12-01	38.000000000
2004-01-01	28.000000000
2004-02-01	34.000000000
2004-03-01	38.000000000
2004-04-01	34.000000000
2004-05-01	33.000000000
2004-06-01	27.000000000
2004-07-01	26.000000000
2004-08-01	36.000000000
2004-09-01	31.000000000
2004-10-01	35.000000000
2004-11-01	37.000000000
2004-12-01	44.000000000
2005-01-01	28.000000000
2005-02-01	31.000000000
2005-03-01	30.000000000
2005-04-01	30.000000000
2005-05-01	31.000000000
2005-06-01	30.000000000
2005-07-01	26.000000000
2005-08-01	35.000000000
2005-09-01	33.000000000
2005-10-01	33.000000000
2005-11-01	47.000000000
2005-12-01	45.000000000
2006-01-01	40.192926050
2006-02-01	43.037974680
2006-03-01	44.827586210
2006-04-01	47.515527950
2006-05-01	52.848101270
2006-06-01	51.975683890
2006-07-01	49.520766770
2006-08-01	54.769230770
2006-09-01	56.969696970
2006-10-01	56.231003040
2006-11-01	56.542056070
2006-12-01	52.985074630
2007-01-01	54.887218050
2007-02-01	47.386759580
2007-03-01	51.557093430
2007-04-01	45.454545450
2007-05-01	43.103448280
2007-06-01	46.969696970
2007-07-01	44.728434500
2007-08-01	49.705882350
2007-09-01	50.986842110
2007-10-01	49.838187700
2007-11-01	54.181818180
2007-12-01	56.677524430
2008-01-01	40.327868850
2008-02-01	42.456140350
2008-03-01	33.542319750
2008-04-01	31.597222220
2008-05-01	20.000000000
2008-06-01	16.000000000
2008-07-01	24.000000000
2008-08-01	18.000000000
2008-09-01	17.000000000
2008-10-01	23.000000000
2008-11-01	20.000000000
2008-12-01	21.000000000
2009-01-01	7.000000000
2009-02-01	9.000000000
2009-03-01	5.000000000
2009-04-01	-0.956937799
2009-05-01	9.375000000
2009-06-01	8.921933086
2009-07-01	11.235955060
2009-08-01	16.349809890
2009-09-01	19.218241040
2009-10-01	21.276595740
2009-11-01	22.522522520
2009-12-01	26.158940400
2010-01-01	29.641693810
2010-02-01	30.650154800
2010-03-01	31.772575250
2010-04-01	29.773462780
2010-05-01	32.352941180
2010-06-01	30.555555560
2010-07-01	30.000000000
2010-08-01	35.463258790
2010-09-01	34.984520120
2010-10-01	40.683229810
2010-11-01	40.924092410
2010-12-01	43.730886850
2011-01-01	37.919463090
2011-02-01	40.133779260
2011-03-01	43.464052290
2011-04-01	40.764331210
2011-05-01	43.521594680
2011-06-01	40.129449840
2011-07-01	45.980707400
2011-08-01	48.376623380
2011-09-01	45.245901640
2011-10-01	46.179401990
2011-11-01	51.257861640
2011-12-01	51.155115510
2012-01-01	49.000000000
2012-02-01	46.666666670
2012-03-01	46.333333330
2012-04-01	38.461538460
2012-05-01	41.776315790
2012-06-01	39.871382640
2012-07-01	35.526315790
2012-08-01	33.544303800
2012-09-01	35.987261150
2012-10-01	37.209302330
2012-11-01	38.157894740
2012-12-01	42.666666670
2013-01-01	41.077441080
2013-02-01	25.483870970
2013-03-01	24.104234530
2013-04-01	30.599369090
2013-05-01	27.540983610
2013-06-01	27.272727270
2013-07-01	26.755852840
2013-08-01	27.450980390
2013-09-01	29.276315790
2013-10-01	37.377049180
2013-11-01	38.562091500
2013-12-01	40.514469450
2014-01-01	38.795986620
2014-02-01	38.538205980
2014-03-01	39.333333330
2014-04-01	42.948717950
2014-05-01	42.996742670
2014-06-01	40.129449840
2014-07-01	44.295302010
2014-08-01	40.129449840
2014-09-01	45.573770490
2014-10-01	43.365695790
2014-11-01	45.065789470
2014-12-01	48.829431440
2015-01-01	45.394736840
2015-02-01	44.039735100
2015-03-01	43.589743590
2015-04-01	38.205980070
2015-05-01	40.199335550
2015-06-01	37.666666670
2015-07-01	38.741721850
2015-08-01	39.869281050
2015-09-01	44.193548390
2015-10-01	50.830564780
2015-11-01	47.712418300
2015-12-01	56.856187290
2016-01-01	47.508305650
2016-02-01	46.511627910
2016-03-01	53.820598010
2016-04-01	49.668874170
2016-05-01	47.840531560
2016-06-01	45.033112580
2016-07-01	42.574257430
2016-08-01	42.715231790
2016-09-01	43.130990420
2016-10-01	45.150501670
2016-11-01	49.501661130
2016-12-01	50.000000000
2017-01-01	45.000000000
2017-02-01	45.779220780
2017-03-01	42.394822010
2017-04-01	28.938906750
2017-05-01	28.888888890
2017-06-01	25.328947370
2017-07-01	28.852459020
2017-08-01	34.098360660
2017-09-01	30.283911670
2017-10-01	33.222591360
2017-11-01	34.768211920
2017-12-01	35.526315790
2018-01-01	36.217948720
2018-02-01	35.099337750
2018-03-01	35.962145110
2018-04-01	35.409836070
2018-05-01	33.550488600
2018-06-01	38.535031850
2018-07-01	38.205980070
2018-08-01	41.721854300
2018-09-01	41.455696200