Frequencies for e_b_irf_c1_9 variable in hcris2552_10_2010 dataset :

    e00c18b |
00900 00100 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          3        0.13        0.13
          2 |          3        0.13        0.26
          3 |          3        0.13        0.39
          4 |          4        0.17        0.56
          5 |          1        0.04        0.60
          6 |          1        0.04        0.65
          7 |          1        0.04        0.69
         10 |          2        0.09        0.78
         11 |          1        0.04        0.82
         12 |          1        0.04        0.86
         16 |          1        0.04        0.90
         33 |          1        0.04        0.95
         36 |          1        0.04        0.99
         40 |          1        0.04        1.03
         71 |          1        0.04        1.08
        104 |          1        0.04        1.12
        112 |          1        0.04        1.16
        218 |          1        0.04        1.21
      40126 |          1        0.04        1.25
          . |      2,293       98.75      100.00
------------+-----------------------------------
      Total |      2,322      100.00

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