Frequencies for s2_c2_2602 variable in hcris2552_96_2001 dataset :

 s2_c2_2602 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,167       99.92       99.92
   06/30/02 |          1        0.02       99.94
 06/30/2002 |          2        0.03       99.97
   12/31/01 |          1        0.02       99.98
 12/31/2001 |          1        0.02      100.00
------------+-----------------------------------
      Total |      6,172      100.00

by Jean Roth , jroth@nber.org , 7 Sep 2018