PERIOD	VALUE
1970-06	6.9
1970-07	8
1970-08	8.9
1970-09	8.5
1970-10	7.9
1970-11	8.2
1970-12	7.2
1971-01	7.6
1971-02	12.9
1971-03	12.6
1971-04	9.3
1971-05	9.1
1971-06	8.1
1971-07	7.3
1971-08	6.2
1971-09	5.6
1971-10	5.5
1971-11	5.6
1971-12	5.4
1972-01	4.5
1972-02	0.4
1972-03	0.6
1972-04	4.7
1972-05	5.9
1972-06	7.1
1972-07	7.3
1972-08	6.9
1972-09	8.4
1972-10	9.3
1972-11	10
1972-12	12.6
1973-01	12.8
1973-02	13
1973-03	13.2
1973-04	11.3
1973-05	12.1
1973-06	11.5
1973-07	11.8
1973-08	12.3
1973-09	11
1973-10	10.1
1973-11	10.2
1973-12	9.8
1974-01	9.9
1974-02	9.1
1974-03	9.3
1974-04	10.7
1974-05	9
1974-06	9.6
1974-07	10.2
1974-08	11.7
1974-09	13.6
1974-10	14.7
1974-11	15.2
1974-12	15.4
1975-01	15.1
1975-02	15.7
1975-03	15.5
1975-04	15.9
1975-05	16.7
1975-06	16.6
1975-07	16
1975-08	15
1975-09	13.5
1975-10	12.9
1975-11	11.5
1975-12	11.2
1976-01	10.9
1976-02	11.8
1976-03	12.2
1976-04	11.8
1976-05	11.5
1976-06	11.4
1976-07	12.2
1976-08	12.8
1976-09	12.7
1976-10	12.7
1976-11	12.3
1976-12	11.8
1977-01	12.3
1977-02	11.4
1977-03	10.7
1977-04	10.6
1977-05	10.2
1977-06	12.1
1977-07	10.3
1977-08	9.6
1977-09	9.8
1977-10	9.8
1977-11	11
1977-12	13.6
1978-01	13.1
1978-02	13.7
1978-03	14.1
1978-04	15.2
1978-05	15.6
1978-06	13.8
1978-07	16.2
1978-08	16.3
1978-09	16.1
1978-10	16.4
1978-11	16.3
1978-12	14.4
1979-01	15.2
1979-02	15.3
1979-03	15
1979-04	14
1979-05	13.8
1979-06	12.9
1979-07	11.7
1979-08	11.6
1979-09	11.7
1979-10	12.8
1979-11	12.1
1979-12	11.5
1980-01	10.3
1980-02	9.5
1980-03	9.5
1980-04	9.4
1980-05	9.2
1980-06	9
1980-07	8.5
1980-08	8
1980-09	7.6
1980-10	5.8
1980-11	5.4
1980-12	5.4
1981-01	5.4
1981-02	5.6
1981-03	5.4
1981-04	6.6
1981-05	5.7
1981-06	5.2
1981-07	5.2
1981-08	5.3
1981-09	5.5
1981-10	5.2
1981-11	5.3
1981-12	5.5
1982-01	6
1982-02	4.7
1982-03	3.3
1982-04	1.4
1982-05	1.7
1982-06	2.6
1982-07	2.9
1982-08	2.9
1982-09	3
1982-10	3.2
1982-11	3.4
1982-12	3.3
1983-01	3
1983-02	4.2
1983-03	5.8
1983-04	7.4
1983-05	7.3
1983-06	7
1983-07	6.9
1983-08	6.9
1983-09	6.6
1983-10	6.9
1983-11	6.8
1983-12	6.3
1984-01	5.9
1984-02	5.9
1984-03	5.8
1984-04	4.6
1984-05	5.2
1984-06	5.6
1984-07	5.3
1984-08	5.2
1984-09	5.7
1984-10	5.4
1984-11	5.3
1984-12	5.4
1985-01	5.3
1985-02	5.8
1985-03	6
1985-04	6
1985-05	5.5
1985-06	4.9
1985-07	4.9
1985-08	4.6
1985-09	4
1985-10	3.7
1985-11	3.7
1985-12	3.7
1986-01	4.4
1986-02	3.8
1986-03	3.2
1986-04	3
1986-05	3.3
1986-06	3.4
1986-07	3.6
1986-08	4.2
1986-09	4.3
1986-10	4.8
1986-11	5.2
1986-12	5.2
1987-01	5.2
1987-02	4.4
1987-03	4.1
1987-04	4.3
1987-05	4.4
1987-06	4.7
1987-07	4.7
1987-08	4.6
1987-09	4.9
1987-10	5
1987-11	4.9
1987-12	5.4
1988-01	4.7
1988-02	5.8
1988-03	6.2
1988-04	6.7
1988-05	6.7
1988-06	6.8
1988-07	7.5
1988-08	7.8
1988-09	8.5
1988-10	7.8
1988-11	7.4
1988-12	7.5
1989-01	7.4
1989-02	6.6
1989-03	6.6
1989-04	5.9
1989-05	6.1
1989-06	6.2
1989-07	5.7
1989-08	5.8
1989-09	4.8
1989-10	5.5
1989-11	6.1
1989-12	6
1990-01	6.3
1990-02	6.7
1990-03	6.4
1990-04	7.4
1990-05	7.1
1990-06	6.5
1990-07	5.8
1990-08	5.1
1990-09	5
1990-10	4.2
1990-11	3.3
1990-12	2.7
1991-01	2.5
1991-02	2.7
1991-03	2.4
1991-04	1.4
1991-05	2
1991-06	2.2
1991-07	2.2
1991-08	2.2
1991-09	2.4
1991-10	2.8
1991-11	3
1991-12	2.8
1992-01	2.7
1992-02	2.1
1992-03	2
1992-04	2.5
1992-05	2
1992-06	1.7
1992-07	1.8
1992-08	2.3
1992-09	2.3
1992-10	2.3
1992-11	3
1992-12	3.8
1993-01	4.4
1993-02	4.6
1993-03	5
1993-04	4.9
1993-05	4.3
1993-06	4.8
1993-07	5.3
1993-08	4.8
1993-09	5.4
1993-10	5.3
1993-11	5.3
1993-12	5.3
1994-01	5.4
1994-02	5.7
1994-03	5.9
1994-04	6.4
1994-05	6.7
1994-06	6.6
1994-07	6.3
1994-08	6.9
1994-09	6.6
1994-10	7
1994-11	6.4
1994-12	6.3
1995-01	6.2
1995-02	6.1
1995-03	6.1
1995-04	6
1995-05	6.2
1995-06	6
1995-07	6.2
1995-08	5.9
1995-09	5.8
1995-10	5.6
1995-11	5.9
1995-12	5.7
1996-01	5.7
1996-02	6.3
1996-03	6.4
1996-04	6.3
1996-05	6.5
1996-06	7
1996-07	7.4
1996-08	7.8
1996-09	7.8
1996-10	7.4
1996-11	7
1996-12	6.7
1997-01	6.6
1997-02	6.1
1997-03	6.2
1997-04	6.3
1997-05	6
1997-06	6.3
1997-07	5.6
1997-08	5.3
1997-09	5.8
1997-10	6.5
1997-11	6.7
1997-12	6.7
1998-01	6.6
1998-02	7
1998-03	6.4
1998-04	6.2
1998-05	5.9
1998-06	5.5
1998-07	5.7
1998-08	5.8
1998-09	5.9
1998-10	5.1
1998-11	5.1
1998-12	5.8
1999-01	5.3
1999-02	5.1
1999-03	5.5
1999-04	6.1
1999-05	6.8
1999-06	7.2
1999-07	7.6
1999-08	7.8
1999-09	7
1999-10	7.4
1999-11	7.9
1999-12	8.5
2000-01	8.9
2000-02	8.6
2000-03	8.7
2000-04	8.2
2000-05	7.8
2000-06	7.5
2000-07	7
2000-08	7
2000-09	7.9
2000-10	8
2000-11	7.9
2000-12	7.4
2001-01	8.4
2001-02	8.4
2001-03	8.3
2001-04	7.6
2001-05	6.8
2001-06	6.9
2001-07	7.2
2001-08	7.4
2001-09	7.3
2001-10	7.3
2001-11	7.9
2001-12	8.2
2002-01	8
2002-02	7.9
2002-03	7.7
2002-04	8.1
2002-05	9.5
2002-06	9.7
2002-07	8.4
2002-08	8.4
2002-09	8
2002-10	8.2
2002-11	7.1
2002-12	6.9
2003-01	5.8
2003-02	6.4
2003-03	6.7
2003-04	7.2
2003-05	6.8
2003-06	6.6
2003-07	7.7
2003-08	7.9
2003-09	7.8
2003-10	7.2
2003-11	7.8
2003-12	7.3
2004-01	7.5
2004-02	6.9
2004-03	6.9
2004-04	6.7
2004-05	6.6
2004-06	6.4
2004-07	5.9
2004-08	5.3
2004-09	5.9
2004-10	5.9
2004-11	5.5
2004-12	5.6
2005-01	5.7
2005-02	5.8
2005-03	5.1
2005-04	4.8
2005-05	4.2
2005-06	3.8
2005-07	4.6
2005-08	5
2005-09	3.9
2005-10	3.6
2005-11	3.7
2005-12	3.2
2006-01	4
2006-02	4.4
2006-03	5
2006-04	5.4
2006-05	5.4
2006-06	5.7
2006-07	5.4
2006-08	5.1
2006-09	5.2
2006-10	5.4
2006-11	5.2
2006-12	5.2
2007-01	4.3
2007-02	4.1
2007-03	4
2007-04	3.7
2007-05	4.6
2007-06	4.8
2007-07	4.4
2007-08	4.7
2007-09	5.5
2007-10	5.4
2007-11	5.3
2007-12	5.8
2008-01	6.3
2008-02	6.6
2008-03	6.7
2008-04	6.6
2008-05	6
2008-06	5.7
2008-07	5.8
2008-08	5.1
2008-09	5.2
2008-10	6
2008-11	6.7
2008-12	7
2009-01	6.9
2009-02	6.9
2009-03	6.9
2009-04	7.2
2009-05	7
2009-06	6.9
2009-07	6.8
2009-08	7
2009-09	7
2009-10	6.3
2009-11	5.6
2009-12	6.5
2010-01	6.5
2010-02	5.9
2010-03	5.7
2010-04	5.7
2010-05	5.9
2010-06	6.2
2010-07	5
2010-08	5.2
2010-09	4.8
2010-10	4.5
2010-11	4.4
2010-12	3.8
2011-01	3.7
2011-02	3.7
2011-03	3.5
2011-04	3.6
2011-05	3.9
2011-06	4.1
2011-07	5.3
2011-08	5.3
2011-09	5.4
2011-10	6.1
2011-11	6.2
2011-12	5.6
2012-01	5.2
2012-02	5.5
2012-03	5.6
2012-04	5
2012-05	4.9
2012-06	4.9
2012-07	4.9
2012-08	5.1
2012-09	4.8
2012-10	4.3
2012-11	4.2
2012-12	4.2
2013-01	4.4
2013-02	4.5
2013-03	4.8
2013-04	5.2
2013-05	5.1
2013-06	4.8
2013-07	4.8
2013-08	4.5
2013-09	4.6
2013-10	4.5
2013-11	4.6
2013-12	4.7
2014-01	4.4
2014-02	4.1
2014-03	3.7
2014-04	3.8
2014-05	3.8
2014-06	3.6
2014-07	3.6
2014-08	3.8
2014-09	4.2
2014-10	4.8
2014-11	5.1
2014-12	5.4
2015-01	5.9
2015-02	6.1
2015-03	6.5
2015-04	6.1
2015-05	6.1
2015-06	6.4
2015-07	6.4
2015-08	6.3
2015-09	5.9
2015-10	5.8
2015-11	5.6
2015-12	5.3
2016-01	5.4
2016-02	5.9
2016-03	6.3
2016-04	6.9
2016-05	7.2
2016-06	7.5
2016-07	8.2
2016-08	8.4
2016-09	8.8
2016-10	8.8
2016-11	8.8
2016-12	9
2017-01	9
2017-02	8.3
2017-03	7.6
2017-04	7.2
2017-05	6.6
2017-06	5.8
2017-07	4.7
2017-08	3.9
2017-09	3.3
2017-10	2.8
2017-11	2.1
2017-12	1.4
2018-01	0.8
2018-02	0.1
2018-03	-0.4
2018-04	-0.6
2018-05	-0.7
2018-06	-0.6
2018-07	-0.6
2018-08	-0.5
2018-09	-0.4
2018-10	-0.4
2018-11	-0.2
2018-12	0.2
2019-01	0.6
2019-02	1.1
2019-03	1.5
2019-04	1.3
2019-05	1.4
2019-06	1.4
2019-07	1.3
2019-08	1.4
2019-09	1.3
2019-10	1.4
2019-11	1
2019-12	0.6
2020-01	0.5
2020-02	0.2
2020-03	0.3
2020-04	0.2
2020-05	1.8
2020-06	4.2
2020-07	5.5
2020-08	6.2
2020-09	6.7
2020-10	7.5
2020-11	8.5
2020-12	9.3
2021-01	11.9
2021-02	13