Quarterly (Feb,May,Aug,Nov)	Number
1996-02-29	77
1996-05-31	79
1996-08-31	79
1996-11-30	80
1997-02-28	80
1997-05-31	80
1997-08-31	86
1997-11-30	86
1998-02-28	89
1998-05-31	90
1998-08-31	92
1998-11-30	91
1999-02-28	85
1999-05-31	82
1999-08-31	83
1999-11-30	77
2000-02-29	75
2000-05-31	75
2000-08-31	75
2000-11-30	75
2001-02-28	74
2001-05-31	69
2001-08-31	68
2001-11-30	69
2002-02-28	68
2002-05-31	67
2002-08-31	66
2002-11-30	66
2003-02-28	65
2003-05-31	65
2003-08-31	66
2003-11-30	65
2004-02-29	66
2004-05-31	65
2004-08-31	64
2004-11-30	63
2005-02-28	62
2005-05-31	62
2005-08-31	62
2005-11-30	61
2006-02-28	61
2006-05-31	61
2006-08-31	61
2006-11-30	61
2007-02-28	61
2007-05-31	61
2007-08-31	61
2007-11-30	53
2008-02-29	59
2008-05-31	59
2008-08-31	58
2008-11-30	57
2009-02-28	57
2009-05-31	56
2009-08-31	56
2009-11-30	56
2010-02-28	53
2010-05-31	53
2010-08-31	53
2010-11-30	53
2011-02-28	52
2011-05-31	51
2011-08-31	51
2011-11-30	51
2012-02-29	51
2012-05-31	50
2012-08-31	50
2012-11-30	50
2013-02-28	50
2013-05-31	50
2013-08-31	39
2013-11-30	39
2014-02-28	39
2014-05-31	39
2014-08-31	39
2014-11-30	39
2015-02-28	39
2015-05-31	39
2015-08-31	39
2015-11-30	39
2016-02-29	39
2016-05-31	39
2016-08-31	39
2016-11-30	38
2017-02-28	38
2017-05-31	38
2017-08-31	38
2017-11-30	38
2018-02-28	38
2018-05-31	38