Frequencies for b_1_c18_42 variable in snf_rollup2540_96_1995 dataset :

 b_1_c18_42 |      Freq.     Percent        Cum.
------------+-----------------------------------
        508 |          1        0.08        0.08
        799 |          1        0.08        0.16
        869 |          1        0.08        0.24
        951 |          1        0.08        0.32
       1753 |          1        0.08        0.40
       2150 |          1        0.08        0.49
       2733 |          1        0.08        0.57
       2810 |          1        0.08        0.65
       4411 |          1        0.08        0.73
       7801 |          1        0.08        0.81
      13507 |          1        0.08        0.89
      14779 |          1        0.08        0.97
      20706 |          1        0.08        1.05
      26388 |          1        0.08        1.13
      26565 |          1        0.08        1.21
      46906 |          1        0.08        1.30
     164973 |          1        0.08        1.38
          . |      1,218       98.62      100.00
------------+-----------------------------------
      Total |      1,235      100.00

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