Frequencies for recallinitiationdate variable in enfrep20180404 dataset :

     Recall |
 Initiation |
       Date |      Freq.     Percent        Cum.
------------+-----------------------------------
  11apr2017 |          1        0.66        0.66
  18sep2017 |          1        0.66        1.32
  26sep2017 |          1        0.66        1.97
  04oct2017 |          2        1.32        3.29
  16oct2017 |          2        1.32        4.61
  19oct2017 |          3        1.97        6.58
  24oct2017 |          1        0.66        7.24
  27oct2017 |          1        0.66        7.89
  03nov2017 |          1        0.66        8.55
  09nov2017 |         14        9.21       17.76
  21nov2017 |          1        0.66       18.42
  22nov2017 |          1        0.66       19.08
  28nov2017 |          1        0.66       19.74
  29nov2017 |          3        1.97       21.71
  01dec2017 |          2        1.32       23.03
  04dec2017 |          4        2.63       25.66
  12dec2017 |          1        0.66       26.32
  13dec2017 |          1        0.66       26.97
  15dec2017 |          3        1.97       28.95
  18dec2017 |          9        5.92       34.87
  19dec2017 |          4        2.63       37.50
  20dec2017 |         11        7.24       44.74
  21dec2017 |          1        0.66       45.39
  03jan2018 |          1        0.66       46.05
  10jan2018 |          1        0.66       46.71
  21jan2018 |          1        0.66       47.37
  24jan2018 |          1        0.66       48.03
  26jan2018 |          3        1.97       50.00
  29jan2018 |          5        3.29       53.29
  30jan2018 |          1        0.66       53.95
  06feb2018 |          2        1.32       55.26
  12feb2018 |          2        1.32       56.58
  15feb2018 |          1        0.66       57.24
  21feb2018 |          1        0.66       57.89
  23feb2018 |         13        8.55       66.45
  26feb2018 |          1        0.66       67.11
  28feb2018 |          1        0.66       67.76
  01mar2018 |          2        1.32       69.08
  02mar2018 |          3        1.97       71.05
  05mar2018 |          4        2.63       73.68
  06mar2018 |          2        1.32       75.00
  07mar2018 |          3        1.97       76.97
  08mar2018 |          2        1.32       78.29
  09mar2018 |          2        1.32       79.61
  10mar2018 |          4        2.63       82.24
  11mar2018 |          1        0.66       82.89
  12mar2018 |          1        0.66       83.55
  13mar2018 |          1        0.66       84.21
  14mar2018 |         15        9.87       94.08
  15mar2018 |          1        0.66       94.74
  16mar2018 |          3        1.97       96.71
  19mar2018 |          1        0.66       97.37
  21mar2018 |          1        0.66       98.03
  29mar2018 |          3        1.97      100.00
------------+-----------------------------------
      Total |        152      100.00

by Jean Roth , jroth@nber.org , 6 Apr 2018