Month	Percent
1980-01-01	17.000000000
1980-02-01	5.000000000
1980-03-01	4.000000000
1980-04-01	-1.000000000
1980-05-01	4.000000000
1980-06-01	4.000000000
1980-07-01	8.000000000
1980-08-01	-6.000000000
1980-09-01	1.000000000
1980-10-01	7.000000000
1980-11-01	27.000000000
1980-12-01	36.000000000
1981-01-01	11.000000000
1981-02-01	0.000000000
1981-03-01	-5.000000000
1981-04-01	1.000000000
1981-05-01	6.000000000
1981-06-01	8.000000000
1981-07-01	8.000000000
1981-08-01	3.000000000
1981-09-01	-5.000000000
1981-10-01	6.000000000
1981-11-01	35.000000000
1981-12-01	40.000000000
1982-01-01	4.000000000
1982-02-01	-9.000000000
1982-03-01	-15.000000000
1982-04-01	2.000000000
1982-05-01	19.000000000
1982-06-01	19.000000000
1982-07-01	6.000000000
1982-08-01	-7.000000000
1982-09-01	-11.000000000
1982-10-01	6.000000000
1982-11-01	27.000000000
1982-12-01	35.000000000
1983-01-01	10.000000000
1983-02-01	-5.000000000
1983-03-01	-7.000000000
1983-04-01	-4.000000000
1983-05-01	3.000000000
1983-06-01	12.000000000
1983-07-01	6.000000000
1983-08-01	1.000000000
1983-09-01	-3.000000000
1983-10-01	12.000000000
1983-11-01	35.000000000
1983-12-01	44.000000000
1984-01-01	10.000000000
1984-02-01	-9.000000000
1984-03-01	-8.000000000
1984-04-01	-9.000000000
1984-05-01	7.000000000
1984-06-01	8.000000000
1984-07-01	-12.000000000
1984-08-01	-4.000000000
1984-09-01	-14.000000000
1984-10-01	10.000000000
1984-11-01	29.000000000
1984-12-01	37.000000000
1985-01-01	3.000000000
1985-02-01	-22.000000000
1985-03-01	-23.000000000
1985-04-01	3.000000000
1985-05-01	19.000000000
1985-06-01	20.000000000
1985-07-01	2.000000000
1985-08-01	-3.000000000
1985-09-01	-7.000000000
1985-10-01	10.000000000
1985-11-01	34.000000000
1985-12-01	45.000000000
1986-01-01	-4.000000000
1986-02-01	-18.000000000
1986-03-01	-19.000000000
1986-04-01	-5.000000000
1986-05-01	7.000000000
1986-06-01	21.000000000
1986-07-01	9.000000000
1986-08-01	-13.000000000
1986-09-01	-15.000000000
1986-10-01	8.000000000
1986-11-01	44.000000000
1986-12-01	54.000000000
1987-01-01	3.000000000
1987-02-01	-24.000000000
1987-03-01	-33.000000000
1987-04-01	10.000000000
1987-05-01	29.000000000
1987-06-01	33.000000000
1987-07-01	5.000000000
1987-08-01	-13.000000000
1987-09-01	-16.000000000
1987-10-01	14.000000000
1987-11-01	39.000000000
1987-12-01	40.000000000
1988-01-01	-7.000000000
1988-02-01	-18.000000000
1988-03-01	-23.000000000
1988-04-01	1.000000000
1988-05-01	24.000000000
1988-06-01	27.000000000
1988-07-01	5.000000000
1988-08-01	-13.000000000
1988-09-01	-25.000000000
1988-10-01	7.000000000
1988-11-01	41.000000000
1988-12-01	49.000000000
1989-01-01	18.000000000
1989-02-01	-8.000000000
1989-03-01	-14.000000000
1989-04-01	-1.000000000
1989-05-01	17.000000000
1989-06-01	21.000000000
1989-07-01	16.000000000
1989-08-01	5.000000000
1989-09-01	-3.000000000
1989-10-01	17.000000000
1989-11-01	41.000000000
1989-12-01	48.000000000
1990-01-01	29.000000000
1990-02-01	-4.000000000
1990-03-01	-9.000000000
1990-04-01	0.000000000
1990-05-01	19.000000000
1990-06-01	32.000000000
1990-07-01	30.000000000
1990-08-01	25.000000000
1990-09-01	21.000000000
1990-10-01	35.000000000
1990-11-01	52.000000000
1990-12-01	43.000000000
1991-01-01	38.000000000
1991-02-01	24.000000000
1991-03-01	8.000000000
1991-04-01	7.000000000
1991-05-01	9.000000000
1991-06-01	21.000000000
1991-07-01	20.000000000
1991-08-01	4.000000000
1991-09-01	-5.000000000
1991-10-01	25.000000000
1991-11-01	46.000000000
1991-12-01	49.000000000
1992-01-01	37.000000000
1992-02-01	20.000000000
1992-03-01	12.000000000
1992-04-01	20.000000000
1992-05-01	15.000000000
1992-06-01	36.000000000
1992-07-01	23.000000000
1992-08-01	23.000000000
1992-09-01	5.000000000
1992-10-01	27.000000000
1992-11-01	45.000000000
1992-12-01	56.000000000
1993-01-01	45.000000000
1993-02-01	20.000000000
1993-03-01	11.000000000
1993-04-01	17.000000000
1993-05-01	18.000000000
1993-06-01	13.000000000
1993-07-01	22.000000000
1993-08-01	17.000000000
1993-09-01	18.000000000
1993-10-01	35.000000000
1993-11-01	47.000000000
1993-12-01	58.000000000
1994-01-01	47.000000000
1994-02-01	26.000000000
1994-03-01	5.000000000
1994-04-01	17.000000000
1994-05-01	36.000000000
1994-06-01	35.000000000
1994-07-01	34.000000000
1994-08-01	30.000000000
1994-09-01	36.000000000
1994-10-01	29.000000000
1994-11-01	55.000000000
1994-12-01	51.000000000
1995-01-01	39.000000000
1995-02-01	17.000000000
1995-03-01	8.000000000
1995-04-01	16.000000000
1995-05-01	18.000000000
1995-06-01	25.000000000
1995-07-01	18.000000000
1995-08-01	22.000000000
1995-09-01	25.000000000
1995-10-01	24.000000000
1995-11-01	50.000000000
1995-12-01	51.000000000
1996-01-01	40.000000000
1996-02-01	13.000000000
1996-03-01	-2.000000000
1996-04-01	9.000000000
1996-05-01	21.000000000
1996-06-01	25.000000000
1996-07-01	8.938547486
1996-08-01	2.339181287
1996-09-01	9.090909091
1996-10-01	23.456790120
1996-11-01	45.614035090
1996-12-01	60.687022900
1997-01-01	52.244897960
1997-02-01	30.386740330
1997-03-01	10.227272730
1997-04-01	4.347826087
1997-05-01	13.000000000
1997-06-01	16.489361700
1997-07-01	14.000000000
1997-08-01	24.000000000
1997-09-01	26.000000000
1997-10-01	22.000000000
1997-11-01	52.000000000
1997-12-01	58.000000000
1998-01-01	52.000000000
1998-02-01	18.000000000
1998-03-01	7.000000000
1998-04-01	8.000000000
1998-05-01	24.000000000
1998-06-01	18.000000000
1998-07-01	13.000000000
1998-08-01	29.000000000
1998-09-01	23.000000000
1998-10-01	21.000000000
1998-11-01	46.000000000
1998-12-01	49.000000000
1999-01-01	41.000000000
1999-02-01	17.000000000
1999-03-01	-5.000000000
1999-04-01	7.000000000
1999-05-01	16.000000000
1999-06-01	32.000000000
1999-07-01	30.000000000
1999-08-01	34.000000000
1999-09-01	33.000000000
1999-10-01	36.000000000
1999-11-01	39.000000000
1999-12-01	53.000000000
2000-01-01	54.000000000
2000-02-01	32.000000000
2000-03-01	18.000000000
2000-04-01	24.000000000
2000-05-01	29.000000000
2000-06-01	37.000000000
2000-07-01	23.000000000
2000-08-01	25.000000000
2000-09-01	21.000000000
2000-10-01	24.000000000
2000-11-01	47.000000000
2000-12-01	67.000000000
2001-01-01	53.000000000
2001-02-01	28.000000000
2001-03-01	14.000000000
2001-04-01	21.000000000
2001-05-01	11.000000000
2001-06-01	22.000000000
2001-07-01	22.000000000
2001-08-01	17.000000000
2001-09-01	1.000000000
2001-10-01	22.000000000
2001-11-01	45.000000000
2001-12-01	47.000000000
2002-01-01	16.000000000
2002-02-01	21.000000000
2002-03-01	8.000000000
2002-04-01	11.000000000
2002-05-01	27.000000000
2002-06-01	31.000000000
2002-07-01	56.000000000
2002-08-01	40.000000000
2002-09-01	35.000000000
2002-10-01	34.000000000
2002-11-01	49.000000000
2002-12-01	55.000000000
2003-01-01	57.000000000
2003-02-01	44.000000000
2003-03-01	23.000000000
2003-04-01	11.000000000
2003-05-01	14.000000000
2003-06-01	7.000000000
2003-07-01	9.000000000
2003-08-01	10.000000000
2003-09-01	26.000000000
2003-10-01	50.000000000
2003-11-01	58.000000000
2003-12-01	58.000000000
2004-01-01	59.000000000
2004-02-01	42.000000000
2004-03-01	38.000000000
2004-04-01	24.000000000
2004-05-01	25.000000000
2004-06-01	13.000000000
2004-07-01	20.000000000
2004-08-01	19.000000000
2004-09-01	25.000000000
2004-10-01	35.000000000
2004-11-01	47.000000000
2004-12-01	48.000000000
2005-01-01	45.000000000
2005-02-01	27.000000000
2005-03-01	15.000000000
2005-04-01	7.000000000
2005-05-01	10.000000000
2005-06-01	7.000000000
2005-07-01	7.000000000
2005-08-01	15.000000000
2005-09-01	31.000000000
2005-10-01	27.000000000
2005-11-01	39.000000000
2005-12-01	48.000000000
2006-01-01	47.395833330
2006-02-01	28.191489360
2006-03-01	23.391812870
2006-04-01	28.865979380
2006-05-01	43.564356440
2006-06-01	43.119266060
2006-07-01	31.818181820
2006-08-01	25.000000000
2006-09-01	16.582914570
2006-10-01	38.349514560
2006-11-01	54.966887420
2006-12-01	59.905660380
2007-01-01	52.604166670
2007-02-01	32.065217390
2007-03-01	19.745222930
2007-04-01	20.270270270
2007-05-01	12.432432430
2007-06-01	12.429378530
2007-07-01	10.588235290
2007-08-01	22.994652410
2007-09-01	22.543352600
2007-10-01	39.325842700
2007-11-01	59.067357510
2007-12-01	62.295081970
2008-01-01	47.863247860
2008-02-01	36.315789470
2008-03-01	13.903743320
2008-04-01	13.559322030
2008-05-01	24.000000000
2008-06-01	29.000000000
2008-07-01	16.000000000
2008-08-01	26.000000000
2008-09-01	35.000000000
2008-10-01	27.000000000
2008-11-01	42.000000000
2008-12-01	42.000000000
2009-01-01	42.000000000
2009-02-01	32.000000000
2009-03-01	18.000000000
2009-04-01	7.692307692
2009-05-01	-4.651162791
2009-06-01	2.542372881
2009-07-01	10.370370370
2009-08-01	20.338983050
2009-09-01	-4.316546763
2009-10-01	23.225806450
2009-11-01	26.086956520
2009-12-01	42.857142860
2010-01-01	47.486033520
2010-02-01	26.404494380
2010-03-01	25.503355700
2010-04-01	25.974025970
2010-05-01	17.164179100
2010-06-01	20.895522390
2010-07-01	16.000000000
2010-08-01	16.363636360
2010-09-01	17.647058820
2010-10-01	34.895833330
2010-11-01	50.246305420
2010-12-01	62.931034480
2011-01-01	55.714285710
2011-02-01	39.560439560
2011-03-01	31.868131870
2011-04-01	31.213872830
2011-05-01	15.882352940
2011-06-01	14.124293790
2011-07-01	16.867469880
2011-08-01	13.750000000
2011-09-01	17.500000000
2011-10-01	19.186046510
2011-11-01	45.622119820
2011-12-01	48.623853210
2012-01-01	37.198067630
2012-02-01	24.712643680
2012-03-01	24.096385540
2012-04-01	8.823529412
2012-05-01	9.883720930
2012-06-01	3.378378378
2012-07-01	10.884353740
2012-08-01	9.868421053
2012-09-01	17.791411040
2012-10-01	21.290322580
2012-11-01	33.333333330
2012-12-01	32.620320860
2013-01-01	29.347826090
2013-02-01	12.500000000
2013-03-01	4.379562044
2013-04-01	9.210526316
2013-05-01	11.034482760
2013-06-01	9.090909091
2013-07-01	8.450704225
2013-08-01	24.539877300
2013-09-01	12.162162160
2013-10-01	17.647058820
2013-11-01	37.113402060
2013-12-01	49.038461540
2014-01-01	44.761904760
2014-02-01	39.153439150
2014-03-01	17.791411040
2014-04-01	12.209302330
2014-05-01	9.027777778
2014-06-01	11.920529800
2014-07-01	24.475524480
2014-08-01	12.056737590
2014-09-01	13.945578230
2014-10-01	35.838150290
2014-11-01	55.769230770
2014-12-01	64.220183490
2015-01-01	50.660792950
2015-02-01	56.185567010
2015-03-01	41.176470590
2015-04-01	27.976190480
2015-05-01	29.113924050
2015-06-01	28.758169930
2015-07-01	54.726368160
2015-08-01	65.384615380
2015-09-01	43.333333330
2015-10-01	50.285714290
2015-11-01	47.448979590
2015-12-01	66.382978720
2016-01-01	57.964601770
2016-02-01	41.206030150
2016-03-01	23.125000000
2016-04-01	25.287356320
2016-05-01	28.289473680
2016-06-01	32.258064520
2016-07-01	39.024390240
2016-08-01	27.333333330
2016-09-01	22.839506170
2016-10-01	36.477987420
2016-11-01	52.657004830
2016-12-01	69.047619050
2017-01-01	60.526315790
2017-02-01	31.606217620
2017-03-01	22.929936310
2017-04-01	22.602739730
2017-05-01	21.621621620
2017-06-01	32.432432430
2017-07-01	29.457364340
2017-08-01	31.034482760
2017-09-01	23.841059600
2017-10-01	41.139240510
2017-11-01	59.701492540
2017-12-01	60.377358490
2018-01-01	50.248756220
2018-02-01	36.904761900
2018-03-01	26.751592360
2018-04-01	24.503311260
2018-05-01	24.161073830
2018-06-01	13.907284770
2018-07-01	18.181818180
2018-08-01	30.405405410
2018-09-01	22.147651010