Frequencies for a_c1_39 variable in snf_rollup2540_96_1995 dataset :

    a_c1_39 |      Freq.     Percent        Cum.
------------+-----------------------------------
        227 |          1        0.08        0.08
        673 |          1        0.08        0.16
       3952 |          1        0.08        0.24
       4640 |          1        0.08        0.32
       4910 |          1        0.08        0.40
       5281 |          1        0.08        0.49
       5582 |          1        0.08        0.57
      54102 |          1        0.08        0.65
      74491 |          1        0.08        0.73
     256545 |          1        0.08        0.81
          . |      1,225       99.19      100.00
------------+-----------------------------------
      Total |      1,235      100.00

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