Frequencies for e_b_snf_c1_31 variable in hcris2552_10_2013 dataset :

    e00e18b |
03100 00100 |      Freq.     Percent        Cum.
------------+-----------------------------------
          4 |          1        0.02        0.02
          . |      6,247       99.98      100.00
------------+-----------------------------------
      Total |      6,248      100.00

by Jean Roth , jroth@nber.org , 23 Aug 2018