Month	Percent
2001-02-28	4.6
2001-03-31	4.45
2001-04-30	4.53
2001-05-31	4.64
2001-06-30	4.46
2001-07-31	4.45
2001-08-31	4.23
2001-09-30	3.91
2001-10-31	3.59
2001-11-30	3.46
2001-12-31	3.77
2002-01-31	3.92
2002-02-28	4
2002-03-31	4.28
2002-04-30	4.22
2002-05-31	4.26
2002-06-30	4.08
2002-07-31	3.79
2002-08-31	3.47
2002-09-30	3.21
2002-10-31	3.08
2002-11-30	2.97
2002-12-31	2.69
2003-01-31	2.67
2003-02-28	2.52
2003-03-31	2.52
2003-04-30	2.55
2003-05-31	2.26
2003-06-30	2.04
2003-07-31	2.18
2003-08-31	2.47
2003-09-30	2.37
2003-10-31	2.4
2003-11-30	2.49
2003-12-31	2.4
2004-01-31	1.21