Frequencies for e_b_irf_c1_12 variable in hcris2552_10_2013 dataset :

    e00c18b |
01200 00100 |      Freq.     Percent        Cum.
------------+-----------------------------------
         51 |          1        0.02        0.02
          . |      6,246       99.98      100.00
------------+-----------------------------------
      Total |      6,247      100.00

by Jean Roth , jroth@nber.org , 20 Apr 2017