Frequencies for a_c6_18 variable in snf_rollup2540_96_2011 dataset :

    a_c6_18 |      Freq.     Percent        Cum.
------------+-----------------------------------
    -263180 |          1        0.06        0.06
     -67690 |          1        0.06        0.11
     -28600 |          1        0.06        0.17
     -23708 |          1        0.06        0.22
     -16302 |          1        0.06        0.28
     -16236 |          1        0.06        0.33
     -14713 |          1        0.06        0.39
      -7898 |          1        0.06        0.44
      -7297 |          1        0.06        0.50
      -5082 |          1        0.06        0.55
      -1725 |          1        0.06        0.61
      -1431 |          1        0.06        0.66
       -720 |          1        0.06        0.72
       -588 |          1        0.06        0.77
       -370 |          1        0.06        0.83
       -342 |          1        0.06        0.88
        450 |          1        0.06        0.94
       1217 |          1        0.06        1.00
       3157 |          1        0.06        1.05
          . |      1,790       98.95      100.00
------------+-----------------------------------
      Total |      1,809      100.00

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