Frequencies for a_c6_24 variable in snf_rollup2540_96_2011 dataset :

    a_c6_24 |      Freq.     Percent        Cum.
------------+-----------------------------------
      -9880 |          1        0.06        0.06
      -3425 |          1        0.06        0.11
      -2082 |          1        0.06        0.17
       -574 |          1        0.06        0.22
       -320 |          1        0.06        0.28
        -80 |          1        0.06        0.33
         -4 |          1        0.06        0.39
         30 |          1        0.06        0.44
         65 |          1        0.06        0.50
      22058 |          1        0.06        0.55
      42160 |          1        0.06        0.61
          . |      1,798       99.39      100.00
------------+-----------------------------------
      Total |      1,809      100.00

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