Month	Percent, Seasonally adjusted
1970-06-30	3.3
1970-07-31	4.2
1970-08-31	6
1970-09-30	5.6
1970-10-31	5.8
1970-11-30	6.6
1970-12-31	5.7
1971-01-31	7.4
1971-02-28	13.2
1971-03-31	12.7
1971-04-30	9.3
1971-05-31	9.8
1971-06-30	9
1971-07-31	8
1971-08-31	6.7
1971-09-30	6.5
1971-10-31	5.4
1971-11-30	5
1971-12-31	5
1972-01-31	3
1972-02-29	-1.8
1972-03-31	-0.1
1972-04-30	4.4
1972-05-31	5.8
1972-06-30	6.7
1972-07-31	6.4
1972-08-31	7.5
1972-09-30	7.8
1972-10-31	10.5
1972-11-30	10.2
1972-12-31	13.1
1973-01-31	13.4
1973-02-28	14
1973-03-31	14
1973-04-30	11.5
1973-05-31	12.5
1973-06-30	11.4
1973-07-31	12.5
1973-08-31	13.2
1973-09-30	12
1973-10-31	9.5
1973-11-30	11.3
1973-12-31	10.2
1974-01-31	11.8
1974-02-28	9.7
1974-03-31	10.8
1974-04-30	11.3
1974-05-31	9.3
1974-06-30	9.4
1974-07-31	10.1
1974-08-31	11.2
1974-09-30	13.3
1974-10-31	14.6
1974-11-30	14.8
1974-12-31	15.6
1975-01-31	13
1975-02-28	15.4
1975-03-31	15
1975-04-30	16.8
1975-05-31	16.6
1975-06-30	17.3
1975-07-31	15.9
1975-08-31	13.5
1975-09-30	13.6
1975-10-31	12.5
1975-11-30	10.7
1975-12-31	11.1
1976-01-31	11.5
1976-02-29	11.2
1976-03-31	11
1976-04-30	9.6
1976-05-31	10.6
1976-06-30	10.6
1976-07-31	12.1
1976-08-31	13.4
1976-09-30	11.7
1976-10-31	13
1976-11-30	12
1976-12-31	11.4
1977-01-31	12
1977-02-28	11.3
1977-03-31	10.6
1977-04-30	11.2
1977-05-31	10.4
1977-06-30	12.1
1977-07-31	9.9
1977-08-31	9.4
1977-09-30	10
1977-10-31	9.3
1977-11-30	12.1
1977-12-31	12.8
1978-01-31	13.3
1978-02-28	14
1978-03-31	14.2
1978-04-30	15
1978-05-31	15.5
1978-06-30	14.1
1978-07-31	17.3
1978-08-31	16.4
1978-09-30	15.6
1978-10-31	15.9
1978-11-30	16
1978-12-31	14.1
1979-01-31	15
1979-02-28	14.9
1979-03-31	13.8
1979-04-30	13.6
1979-05-31	13.7
1979-06-30	12.4
1979-07-31	10.9
1979-08-31	11.9
1979-09-30	12.9
1979-10-31	14.1
1979-11-30	12.4
1979-12-31	11.7
1980-01-31	10.8
1980-02-29	10.2
1980-03-31	10.1
1980-04-30	9.4
1980-05-31	8.9
1980-06-30	9.3
1980-07-31	9
1980-08-31	8.8
1980-09-30	7.5
1980-10-31	5.8
1980-11-30	6
1980-12-31	5.9
1981-01-31	4.8
1981-02-28	5.9
1981-03-31	6.9
1981-04-30	7.6
1981-05-31	5.9
1981-06-30	5.6
1981-07-31	5.6
1981-08-31	6.6
1981-09-30	5.5
1981-10-31	4.6
1981-11-30	4
1981-12-31	5.5
1982-01-31	6.1
1982-02-28	3.8
1982-03-31	2.5
1982-04-30	1.2
1982-05-31	1.5
1982-06-30	2.3
1982-07-31	1.4
1982-08-31	0.3
1982-09-30	2.3
1982-10-31	3.1
1982-11-30	2.9
1982-12-31	3
1983-01-31	2.7
1983-02-28	4.1
1983-03-31	5.2
1983-04-30	6.8
1983-05-31	6.6
1983-06-30	6.2
1983-07-31	6.9
1983-08-31	6.9
1983-09-30	5.8
1983-10-31	6.7
1983-11-30	7
1983-12-31	5.6
1984-01-31	6.1
1984-02-29	5.9
1984-03-31	5.8
1984-04-30	4.2
1984-05-31	5.7
1984-06-30	5.8
1984-07-31	5.7
1984-08-31	4.9
1984-09-30	6
1984-10-31	5
1984-11-30	6
1984-12-31	5.7
1985-01-31	4.9
1985-02-28	5.4
1985-03-31	5.5
1985-04-30	6.2
1985-05-31	5.4
1985-06-30	5
1985-07-31	4.8
1985-08-31	4.6
1985-09-30	3.7
1985-10-31	3.6
1985-11-30	2.6
1985-12-31	4
1986-01-31	4.5
1986-02-28	3.9
1986-03-31	3.4
1986-04-30	3
1986-05-31	3.6
1986-06-30	3.4
1986-07-31	3.2
1986-08-31	4.1
1986-09-30	4.7
1986-10-31	4.8
1986-11-30	5.2
1986-12-31	5.4
1987-01-31	5
1987-02-28	4.2
1987-03-31	4.5
1987-04-30	4.5
1987-05-31	4.4
1987-06-30	4.2
1987-07-31	5.4
1987-08-31	4.7
1987-09-30	4.8
1987-10-31	5.4
1987-11-30	5
1987-12-31	4.7
1988-01-31	4.8
1988-02-29	5.5
1988-03-31	5.7
1988-04-30	6.8
1988-05-31	6.4
1988-06-30	7
1988-07-31	7.1
1988-08-31	7.6
1988-09-30	8.2
1988-10-31	7.6
1988-11-30	7.3
1988-12-31	6.9
1989-01-31	7.1
1989-02-28	6.8
1989-03-31	6.3
1989-04-30	5.6
1989-05-31	5.9
1989-06-30	5.9
1989-07-31	5.2
1989-08-31	6
1989-09-30	4.5
1989-10-31	5.3
1989-11-30	6
1989-12-31	6.2
1990-01-31	5.8
1990-02-28	6.5
1990-03-31	6.4
1990-04-30	7.4
1990-05-31	6.9
1990-06-30	6.4
1990-07-31	5.5
1990-08-31	4.7
1990-09-30	4.9
1990-10-31	3.9
1990-11-30	2.8
1990-12-31	2.3
1991-01-31	2.9
1991-02-28	2.7
1991-03-31	2.5
1991-04-30	1.3
1991-05-31	1.8
1991-06-30	2
1991-07-31	2.3
1991-08-31	1.8
1991-09-30	2.3
1991-10-31	2.7
1991-11-30	3.1
1991-12-31	3.4
1992-01-31	2.4
1992-02-29	2
1992-03-31	2
1992-04-30	2.4
1992-05-31	2.5
1992-06-30	1.6
1992-07-31	2.5
1992-08-31	2.4
1992-09-30	2.2
1992-10-31	2.5
1992-11-30	3.3
1992-12-31	3.3
1993-01-31	4.5
1993-02-28	4.7
1993-03-31	4.8
1993-04-30	5
1993-05-31	3.6
1993-06-30	4.6
1993-07-31	4.9
1993-08-31	5.3
1993-09-30	5.5
1993-10-31	5.4
1993-11-30	4.7
1993-12-31	5.6
1994-01-31	5
1994-02-28	5.6
1994-03-31	5.6
1994-04-30	6
1994-05-31	6.9
1994-06-30	6.8
1994-07-31	6.3
1994-08-31	6.4
1994-09-30	6.7
1994-10-31	7.2
1994-11-30	6.9
1994-12-31	6
1995-01-31	6.8
1995-02-28	6.2
1995-03-31	7.1
1995-04-30	6.5
1995-05-31	5.9
1995-06-30	5.7
1995-07-31	5.7
1995-08-31	6.1
1995-09-30	5.5
1995-10-31	5.1
1995-11-30	5.7
1995-12-31	5.8
1996-01-31	5.4
1996-02-29	6.1
1996-03-31	5.7
1996-04-30	5.7
1996-05-31	6.6
1996-06-30	7.4
1996-07-31	7.4
1996-08-31	7.6
1996-09-30	7.4
1996-10-31	7.5
1996-11-30	7.1
1996-12-31	6.6
1997-01-31	6.8
1997-02-28	6.2
1997-03-31	6.3
1997-04-30	5.9
1997-05-31	6
1997-06-30	6.4
1997-07-31	5.9
1997-08-31	5.2
1997-09-30	6
1997-10-31	6.5
1997-11-30	6.9
1997-12-31	6.5
1998-01-31	6.6
1998-02-28	7.1
1998-03-31	6.5
1998-04-30	6.6
1998-05-31	6.2
1998-06-30	5.5
1998-07-31	5.8
1998-08-31	6.2
1998-09-30	6.1
1998-10-31	5.5
1998-11-30	4.9
1998-12-31	6.2
1999-01-31	5.7
1999-02-28	5.1
1999-03-31	5.6
1999-04-30	6.2
1999-05-31	7.1
1999-06-30	7.4
1999-07-31	7.8
1999-08-31	7.8
1999-09-30	7.3
1999-10-31	7.5
1999-11-30	8.7
1999-12-31	11.5
2000-01-31	12.2
2000-02-29	8.7
2000-03-31	8.4
2000-04-30	8.3
2000-05-31	7.8
2000-06-30	7.6
2000-07-31	7
2000-08-31	7.2
2000-09-30	8.2
2000-10-31	8.1
2000-11-30	7.5
2000-12-31	4.6
2001-01-31	4.5
2001-02-28	8.5
2001-03-31	8.3
2001-04-30	7.2
2001-05-31	6.6
2001-06-30	6.6
2001-07-31	7
2001-08-31	7
2001-09-30	6.5
2001-10-31	6.9
2001-11-30	7.6
2001-12-31	7.6
2002-01-31	7.8
2002-02-28	7.4
2002-03-31	7.3
2002-04-30	7.9
2002-05-31	8.6
2002-06-30	10.1
2002-07-31	8.4
2002-08-31	8.3
2002-09-30	8.1
2002-10-31	8.1
2002-11-30	6.8
2002-12-31	6.4
2003-01-31	5.8
2003-02-28	6.3
2003-03-31	6.6
2003-04-30	8.2
2003-05-31	8.7
2003-06-30	6.2
2003-07-31	8
2003-08-31	7.9
2003-09-30	7.8
2003-10-31	7.2
2003-11-30	8.2
2003-12-31	7.4
2004-01-31	7.7
2004-02-29	6.8
2004-03-31	7.1
2004-04-30	5.7
2004-05-31	5.3
2004-06-30	6.4
2004-07-31	5.5
2004-08-31	5.1
2004-09-30	5.8
2004-10-31	5.8
2004-11-30	5
2004-12-31	5.7
2005-01-31	5.6
2005-02-28	5.9
2005-03-31	5.1
2005-04-30	4.7
2005-05-31	4.3
2005-06-30	3.7
2005-07-31	4.8
2005-08-31	6.1
2005-09-30	5.4
2005-10-31	5.3
2005-11-30	5.5
2005-12-31	4.7
2006-01-31	6.6
2006-02-28	6.2
2006-03-31	6.7
2006-04-30	7.4