Frequencies for a_c6_55 variable in snf_rollup2540_96_1997 dataset :

    a_c6_55 |      Freq.     Percent        Cum.
------------+-----------------------------------
   -1464829 |          1        0.01        0.01
    -153293 |          1        0.01        0.02
     -76020 |          1        0.01        0.03
      -8000 |          1        0.01        0.03
      -4128 |          1        0.01        0.04
      -2184 |          1        0.01        0.05
        -89 |          1        0.01        0.06
          . |     11,911       99.94      100.00
------------+-----------------------------------
      Total |     11,918      100.00

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