Frequencies for d_1_c3_34 variable in snf_rollup2540_96_1997 dataset :

  d_1_c3_34 |      Freq.     Percent        Cum.
------------+-----------------------------------
       3491 |          1        0.01        0.01
      13840 |          1        0.01        0.02
     119416 |          1        0.01        0.03
     162854 |          1        0.01        0.03
     400000 |          1        0.01        0.04
          . |     11,913       99.96      100.00
------------+-----------------------------------
      Total |     11,918      100.00

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