Frequencies for e_b_ipf_c1_9 variable in hcris2552_10_2010 dataset :

    e00b18b |
00900 00100 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          6        0.26        0.26
          2 |          9        0.39        0.65
          3 |          3        0.13        0.78
          4 |          5        0.22        0.99
          5 |          1        0.04        1.03
          7 |          1        0.04        1.08
         10 |          1        0.04        1.12
         11 |          1        0.04        1.16
         12 |          1        0.04        1.21
         13 |          1        0.04        1.25
         20 |          1        0.04        1.29
         28 |          1        0.04        1.34
         30 |          1        0.04        1.38
         40 |          1        0.04        1.42
         46 |          1        0.04        1.46
         53 |          1        0.04        1.51
         73 |          1        0.04        1.55
         83 |          1        0.04        1.59
        122 |          1        0.04        1.64
        283 |          1        0.04        1.68
        310 |          1        0.04        1.72
        720 |          1        0.04        1.77
        891 |          1        0.04        1.81
          . |      2,280       98.19      100.00
------------+-----------------------------------
      Total |      2,322      100.00

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