Frequencies for a_c2_39 variable in snf_rollup2540_96_2011 dataset :

    a_c2_39 |      Freq.     Percent        Cum.
------------+-----------------------------------
       3290 |          1        0.06        0.06
       3748 |          1        0.06        0.11
      13759 |          1        0.06        0.17
      29500 |          1        0.06        0.22
      35498 |          1        0.06        0.28
      36109 |          1        0.06        0.33
      37590 |          1        0.06        0.39
      39360 |          1        0.06        0.44
      47040 |          1        0.06        0.50
      76583 |          1        0.06        0.55
      81395 |          1        0.06        0.61
      88557 |          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