Frequencies for s2_c2_5301 variable in hcris2552_96_1997 dataset :

 s2_c2_5301 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,246       97.90       97.90
 02/28/1998 |          1        0.02       97.92
 03/31/1998 |          9        0.14       98.06
 04/11/1998 |          1        0.02       98.07
 04/30/1998 |          5        0.08       98.15
   04/30/98 |          1        0.02       98.17
 05/31/1998 |          1        0.02       98.18
 06/30/1998 |         77        1.21       99.39
   06/30/98 |          1        0.02       99.40
 07/31/1998 |          1        0.02       99.42
 08/31/1998 |          2        0.03       99.45
   08/31/98 |          1        0.02       99.47
 09/30/1997 |          1        0.02       99.48
 09/30/1998 |          1        0.02       99.50
 10/31/1997 |          2        0.03       99.53
 11/30/1997 |          1        0.02       99.55
 12/31/1997 |         28        0.44       99.98
   12/31/97 |          1        0.02      100.00
------------+-----------------------------------
      Total |      6,380      100.00

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