Frequencies for a_c6_31 variable in snf_rollup2540_96_1995 dataset :

    a_c6_31 |      Freq.     Percent        Cum.
------------+-----------------------------------
    -105850 |          1        0.08        0.08
      -7202 |          1        0.08        0.16
      -6692 |          1        0.08        0.24
      -1370 |          1        0.08        0.32
          . |      1,231       99.68      100.00
------------+-----------------------------------
      Total |      1,235      100.00

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