Frequencies for e_b_snf_c1_31 variable in hcris2552_10_2010 dataset :

    e00e18b |
03100 00100 |      Freq.     Percent        Cum.
------------+-----------------------------------
        241 |          1        0.04        0.04
          . |      2,320       99.96      100.00
------------+-----------------------------------
      Total |      2,321      100.00

by Jean Roth , jroth@nber.org , 23 Feb 2016