Frequencies for c_1_c6_03704 variable in hcris2552_96_2010 dataset :

c_1_c6_0370 |
          4 |      Freq.     Percent        Cum.
------------+-----------------------------------
      66990 |          1        0.03        0.03
     509291 |          1        0.03        0.05
          . |      3,849       99.95      100.00
------------+-----------------------------------
      Total |      3,851      100.00

by Jean Roth , jroth@nber.org , 1 Sep 2018