Quarter	Net Percent, Seasonally Adjusted
1982-01-01	31.8
1982-04-01	43.6
1982-07-01	41.9
1982-10-01	41.9
1983-01-01	43.2
1983-04-01	44.8
1983-07-01	45.4
1983-10-01	46.5
1984-01-01	47
1984-04-01	47
1984-07-01	47.6
1984-10-01	48.2
1985-01-01	48.5
1985-04-01	47.8
1985-07-01	48.1
1985-10-01	47.6
1986-01-01	46.7
1986-04-01	45.6
1986-07-01	43.8
1986-10-01	42.3
1987-01-01	40.9
1987-04-01	44.3
1987-07-01	47
1987-10-01	48.4
1988-01-01	49.9
1988-04-01	49.8
1988-07-01	49.8
1988-10-01	50.8
1989-01-01	48.7
1989-04-01	47.6
1989-07-01	49.1
1989-10-01	50.8
1990-01-01	50
1990-04-01	49.9
1990-07-01	48.6
1990-10-01	49.1
1991-01-01	49.8
1991-04-01	48.7
1991-07-01	48
1991-10-01	46.2
1992-01-01	45.1
1992-04-01	43.8
1992-07-01	41.5
1992-10-01	40.1
1993-01-01	38.8
1993-04-01	42.3
1993-07-01	39.6
1993-10-01	36.3
1994-01-01	40.8
1994-04-01	42.9
1994-07-01	45.3
1994-10-01	46.9
1995-01-01	44.7
1995-04-01	42
1995-07-01	41.7
1995-10-01	43.9
1996-01-01	45
1996-04-01	46
1996-07-01	45.3
1996-10-01	43.7
1997-01-01	38.3
1997-04-01	41.9
1997-07-01	42.6
1997-10-01	36.5
1998-01-01	37.2
1998-04-01	35.7
1998-07-01	34.6
1998-10-01	36.3
1999-01-01	39
1999-04-01	38.8
1999-07-01	40.2
1999-10-01	41.2
2000-01-01	42
2000-04-01	42.9
2000-07-01	43.6
2000-10-01	43.2
2001-01-01	38.7
2001-04-01	39.1
2001-07-01	34.1
2001-10-01	33.9
2002-01-01	36.3
2002-04-01	38.1
2002-07-01	37.1
2002-10-01	36.3
2003-01-01	34.8
2003-04-01	36.1
2003-07-01	39.5
2003-10-01	40.3
2004-01-01	42.8
2004-04-01	44.1
2004-07-01	45.5
2004-10-01	45.3
2005-01-01	45.2
2005-04-01	46
2005-07-01	44.7
2005-10-01	48.1
2006-01-01	47.8
2006-04-01	46.7
2006-07-01	45.1
2006-10-01	47.8
2007-01-01	46.6
2007-04-01	44.6
2007-07-01	42.7
2007-10-01	39.9
2008-01-01	36.5
2008-04-01	32.4
2008-07-01	30.2
2008-10-01	27.7
2009-01-01	28.7
2009-04-01	37.3
2009-07-01	38.8
2009-10-01	39.9
2010-01-01	40.7
2010-04-01	43.2
2010-07-01	39.3