Frequencies for s2_c1_2602 variable in hcris2552_96_2001 dataset :

 s2_c1_2602 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,167       99.92       99.92
   01/01/01 |          1        0.02       99.94
 01/01/2001 |          1        0.02       99.95
 07/01/2001 |          1        0.02       99.97
   10/01/01 |          1        0.02       99.98
 10/01/2001 |          1        0.02      100.00
------------+-----------------------------------
      Total |      6,172      100.00

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