Frequencies for a_c6_42 variable in snf_rollup2540_96_1996 dataset :

    a_c6_42 |      Freq.     Percent        Cum.
------------+-----------------------------------
      -9096 |          1        0.01        0.01
        -70 |          1        0.01        0.02
        -12 |          1        0.01        0.03
      12581 |          1        0.01        0.04
          . |      9,604       99.96      100.00
------------+-----------------------------------
      Total |      9,608      100.00

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