Frequencies for a_c6_49 variable in snf_rollup2540_96_1997 dataset :

    a_c6_49 |      Freq.     Percent        Cum.
------------+-----------------------------------
    -829368 |          1        0.01        0.01
    -762931 |          2        0.02        0.03
    -683956 |          1        0.01        0.03
    -679795 |          1        0.01        0.04
    -416564 |          1        0.01        0.05
    -267494 |          1        0.01        0.06
    -249077 |          1        0.01        0.07
    -166667 |          1        0.01        0.08
     -56205 |          1        0.01        0.08
          . |     11,908       99.92      100.00
------------+-----------------------------------
      Total |     11,918      100.00

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