Frequencies for recallinitiationdatestr variable in enfrep20130807 dataset :

     Recall |
 Initiation |
       Date |      Freq.     Percent        Cum.
------------+-----------------------------------
 01/02/2008 |          1        0.73        0.73
 01/04/2007 |          1        0.73        1.46
 01/11/2013 |          7        5.11        6.57
 01/24/2007 |          1        0.73        7.30
 01/29/2008 |          1        0.73        8.03
 02/04/2013 |          1        0.73        8.76
 02/08/2007 |          6        4.38       13.14
 02/16/2006 |          1        0.73       13.87
 02/22/2006 |          2        1.46       15.33
 02/25/2005 |          1        0.73       16.06
 02/28/2009 |          1        0.73       16.79
 03/11/2013 |          8        5.84       22.63
 03/28/2013 |          1        0.73       23.36
 03/29/2013 |          3        2.19       25.55
 04/09/2013 |          2        1.46       27.01
 04/16/2013 |          1        0.73       27.74
 04/17/2013 |          1        0.73       28.47
 04/18/2013 |          1        0.73       29.20
 04/25/2013 |          1        0.73       29.93
 04/30/2013 |          1        0.73       30.66
 05/06/2008 |          1        0.73       31.39
 05/07/2013 |          1        0.73       32.12
 05/15/2013 |          2        1.46       33.58
 05/16/2013 |          1        0.73       34.31
 05/17/2013 |          1        0.73       35.04
 05/21/2013 |          1        0.73       35.77
 05/22/2013 |          1        0.73       36.50
 05/23/2013 |          2        1.46       37.96
 05/30/2013 |          1        0.73       38.69
 06/03/2008 |          1        0.73       39.42
 06/03/2013 |          1        0.73       40.15
 06/04/2013 |          2        1.46       41.61
 06/05/2006 |          1        0.73       42.34
 06/05/2013 |          1        0.73       43.07
 06/10/2013 |          9        6.57       49.64
 06/12/2013 |          2        1.46       51.09
 06/13/2013 |          7        5.11       56.20
 06/14/2006 |          1        0.73       56.93
 06/14/2013 |          4        2.92       59.85
 06/17/2013 |          1        0.73       60.58
 06/21/2013 |          1        0.73       61.31
 06/23/2006 |          1        0.73       62.04
 06/26/2013 |          5        3.65       65.69
 07/03/2013 |          2        1.46       67.15
 07/11/2013 |          4        2.92       70.07
 07/13/2006 |          1        0.73       70.80
 07/13/2012 |          1        0.73       71.53
 07/13/2013 |          9        6.57       78.10
 07/15/2013 |          1        0.73       78.83
 07/16/2013 |          1        0.73       79.56
 07/19/2013 |          1        0.73       80.29
 07/22/2006 |          1        0.73       81.02
 07/22/2013 |          1        0.73       81.75
 07/24/2013 |          1        0.73       82.48
 07/26/2012 |          1        0.73       83.21
 07/26/2013 |          1        0.73       83.94
 08/05/2008 |          1        0.73       84.67
 09/03/2006 |          1        0.73       85.40
 09/03/2010 |          2        1.46       86.86
 09/08/2008 |          1        0.73       87.59
 09/17/2008 |          3        2.19       89.78
 09/23/2008 |          1        0.73       90.51
 09/30/2008 |          2        1.46       91.97
 10/05/2012 |          1        0.73       92.70
 10/12/2012 |          2        1.46       94.16
 10/18/2006 |          1        0.73       94.89
 11/09/2012 |          1        0.73       95.62
 11/13/2012 |          1        0.73       96.35
 11/20/2006 |          1        0.73       97.08
 12/04/2006 |          1        0.73       97.81
 12/15/2005 |          2        1.46       99.27
 12/26/2012 |          1        0.73      100.00
------------+-----------------------------------
      Total |        137      100.00

by Jean Roth , jroth@nber.org , 18 Dec 2015