Frequencies for s2_c2_2601 variable in hcris2552_96_1998 dataset :

 s2_c2_2601 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      5,543       87.61       87.61
 01/31/1998 |          1        0.02       87.62
 01/31/1999 |          8        0.13       87.75
 02/28/1999 |          6        0.09       87.85
   02/28/99 |          1        0.02       87.86
 03/11/1998 |          1        0.02       87.88
 03/31/1999 |         24        0.38       88.26
   03/31/99 |          4        0.06       88.32
 04/15/1999 |          1        0.02       88.34
 04/26/1999 |          1        0.02       88.35
 04/30/1998 |          2        0.03       88.38
 04/30/1999 |         17        0.27       88.65
 05/31/1999 |         10        0.16       88.81
   05/31/98 |          1        0.02       88.83
   05/31/99 |          2        0.03       88.86
 06/26/1999 |          1        0.02       88.87
 06/30/1998 |          9        0.14       89.02
 06/30/1999 |        265        4.19       93.20
   06/30/99 |         20        0.32       93.52
 07/31/1998 |          1        0.02       93.54
 07/31/1999 |          4        0.06       93.60
   07/31/99 |          4        0.06       93.66
 08/11/1999 |          1        0.02       93.68
 08/31/1999 |          4        0.06       93.74
   08/31/99 |          3        0.05       93.79
 09/26/1998 |          1        0.02       93.80
 09/30/1998 |        137        2.17       95.97
 09/30/1999 |          1        0.02       95.99
   09/30/98 |          4        0.06       96.05
   10/13/98 |          1        0.02       96.06
 10/31/1998 |          6        0.09       96.16
 10/31/1999 |          1        0.02       96.18
   10/31/98 |          1        0.02       96.19
 11/18/1998 |          1        0.02       96.21
 11/30/1998 |          4        0.06       96.27
 11/30/1999 |          1        0.02       96.29
   12/23/98 |          1        0.02       96.30
 12/31/1997 |          3        0.05       96.35
 12/31/1998 |        211        3.33       99.68
   12/31/98 |         20        0.32      100.00
------------+-----------------------------------
      Total |      6,327      100.00

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