Frequencies for b_1_c18_34 variable in snf_rollup2540_96_2011 dataset :

 b_1_c18_34 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.06        0.06
         63 |          1        0.06        0.11
         92 |          1        0.06        0.17
        639 |          1        0.06        0.22
       6062 |          1        0.06        0.28
      17538 |          1        0.06        0.33
      21933 |          1        0.06        0.39
     130457 |          1        0.06        0.44
     154816 |          1        0.06        0.50
     292533 |          1        0.06        0.55
    1006681 |          1        0.06        0.61
    1181447 |          1        0.06        0.66
          . |      1,797       99.34      100.00
------------+-----------------------------------
      Total |      1,809      100.00

by Jean Roth , jroth@nber.org , 17 Feb 2018