Frequencies for e_b_irf_c1_17 variable in hcris2552_10_2011 dataset :

    e00c18b |
01700 00100 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         24        0.39        0.39
          . |      6,126       99.61      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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