Frequencies for d_1_c2_28 variable in snf_rollup2540_96_2011 dataset :

  d_1_c2_28 |      Freq.     Percent        Cum.
------------+-----------------------------------
         13 |          1        0.06        0.06
         18 |          1        0.06        0.11
         20 |          1        0.06        0.17
         72 |          2        0.11        0.28
        148 |          1        0.06        0.33
        154 |          1        0.06        0.39
        276 |          1        0.06        0.44
        279 |          1        0.06        0.50
        348 |          1        0.06        0.55
        373 |          1        0.06        0.61
        422 |          1        0.06        0.66
        429 |          1        0.06        0.72
        478 |          1        0.06        0.77
        571 |          1        0.06        0.83
        644 |          1        0.06        0.88
        864 |          1        0.06        0.94
       1381 |          1        0.06        1.00
       2756 |          1        0.06        1.05
       3045 |          1        0.06        1.11
       3671 |          1        0.06        1.16
      14398 |          1        0.06        1.22
      15407 |          1        0.06        1.27
          . |      1,786       98.73      100.00
------------+-----------------------------------
      Total |      1,809      100.00

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