Frequencies for a_c1_55 variable in snf_rollup2540_96_1997 dataset :

    a_c1_55 |      Freq.     Percent        Cum.
------------+-----------------------------------
       5160 |          1        0.01        0.01
       9651 |          1        0.01        0.02
      13533 |          1        0.01        0.03
      14923 |          1        0.01        0.03
      21132 |          1        0.01        0.04
      21165 |          1        0.01        0.05
      26309 |          1        0.01        0.06
      41186 |          1        0.01        0.07
      49078 |          1        0.01        0.08
      49621 |          1        0.01        0.08
      60102 |          1        0.01        0.09
      86058 |          1        0.01        0.10
      95736 |          1        0.01        0.11
     127607 |          1        0.01        0.12
     132827 |          1        0.01        0.13
     189503 |          1        0.01        0.13
     240663 |          1        0.01        0.14
     321320 |          1        0.01        0.15
     370480 |          1        0.01        0.16
     375985 |          1        0.01        0.17
     438673 |          1        0.01        0.18
     853091 |          1        0.01        0.18
     952664 |          1        0.01        0.19
    1283048 |          1        0.01        0.20
    1742692 |          1        0.01        0.21
          . |     11,893       99.79      100.00
------------+-----------------------------------
      Total |     11,918      100.00

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