Frequencies for e_b_irf_c1_23 variable in hcris2552_10_2013 dataset :

    e00c18b |
02300 00100 |      Freq.     Percent        Cum.
------------+-----------------------------------
       1023 |          1        0.02        0.02
       3845 |          1        0.02        0.03
       6621 |          1        0.02        0.05
          . |      6,245       99.95      100.00
------------+-----------------------------------
      Total |      6,248      100.00

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