Frequencies for e_b_irf_c1_12 variable in hcris2552_10_2011 dataset :

    e00c18b |
01200 00100 |      Freq.     Percent        Cum.
------------+-----------------------------------
         96 |          1        0.02        0.02
        308 |          1        0.02        0.03
        323 |          1        0.02        0.05
        565 |          1        0.02        0.07
       1010 |          1        0.02        0.08
          . |      6,145       99.92      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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