Month	Net Percent, Seasonally Adjusted
1998-01-01	37.9
1998-02-01	32.2
1998-03-01	40.7
1998-04-01	43.4
1998-05-01	35.7
1998-06-01	44.6
1998-07-01	37.3
1998-08-01	44.5
1998-09-01	26.7
1998-10-01	33
1998-11-01	28.3
1998-12-01	33.2
1999-01-01	34.7
1999-02-01	33.6
1999-03-01	33.5
1999-04-01	33.7
1999-05-01	32.8
1999-06-01	22.5
1999-07-01	28.8
1999-08-01	21.6
1999-09-01	29.4
1999-10-01	30.7
1999-11-01	38.3
1999-12-01	36.9
2000-01-01	37.4
2000-02-01	34
2000-03-01	34.5
2000-04-01	27
2000-05-01	22.2
2000-06-01	30.2
2000-07-01	30.4
2000-08-01	33.8
2000-09-01	37.6
2000-10-01	35.4
2000-11-01	26.2
2000-12-01	22
2001-01-01	18
2001-02-01	24.9
2001-03-01	17
2001-04-01	11.7
2001-05-01	26.5
2001-06-01	16
2001-07-01	14.3
2001-08-01	7.7
2001-09-01	13.3
2001-10-01	-1.4
2001-11-01	6.3
2001-12-01	9.6
2002-01-01	10.5
2002-02-01	20.2
2002-03-01	-1.6
2002-04-01	19.3
2002-05-01	25.4
2002-06-01	18.8
2002-07-01	16.4
2002-08-01	11.4
2002-09-01	10.3
2002-10-01	16.3
2002-11-01	11.7
2002-12-01	-2.5
2003-01-01	0.7
2003-02-01	11.5
2003-03-01	10.3
2003-04-01	6.1
2003-05-01	-6.6
2003-06-01	6.1
2003-07-01	1.2
2003-08-01	0.3
2003-09-01	8.5
2003-10-01	7.0
2003-11-01	17.8
2003-12-01	12
2004-01-01	8.9
2004-02-01	7.6
2004-03-01	23.3
2004-04-01	8.5
2004-05-01	9.7
2004-06-01	1.2
2004-07-01	15.5
2004-08-01	8.0
2004-09-01	-3.6
2004-10-01	-1.4
2004-11-01	3.0
2004-12-01	11.7
2005-01-01	3.3
2005-02-01	-2.2
2005-03-01	5.6
2005-04-01	18.5
2005-05-01	-1.3
2005-06-01	6.8
2005-07-01	6.4
2005-08-01	6.0
2005-09-01	4.2
2005-10-01	13.2
2005-11-01	21.4
2005-12-01	24.7
2006-01-01	16.8
2006-02-01	17.5
2006-03-01	20.3
2006-04-01	7.6
2006-05-01	9.1
2006-06-01	8.4
2006-07-01	19.2
2006-08-01	24.5
2006-09-01	11.7
2006-10-01	15
2006-11-01	21.9
2006-12-01	24.6
2007-01-01	20.5
2007-02-01	9.6
2007-03-01	18
2007-04-01	3.6
2007-05-01	25.9
2007-06-01	22.2
2007-07-01	1.7
2007-08-01	12.8
2007-09-01	23
2007-10-01	25.3
2007-11-01	14
2007-12-01	3.8
2008-01-01	2.2
2008-02-01	-1.1
2008-03-01	-0.1
2008-04-01	1.8