Frequencies for e_b_ipf_c1_20 variable in hcris2552_10_2010 dataset :

    e00b18b |
02000 00100 |      Freq.     Percent        Cum.
------------+-----------------------------------
          4 |          1        0.04        0.04
        164 |          1        0.04        0.09
          . |      2,320       99.91      100.00
------------+-----------------------------------
      Total |      2,322      100.00

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