Frequencies for d_1_c2_34 variable in snf_rollup2540_96_1997 dataset :

  d_1_c2_34 |      Freq.     Percent        Cum.
------------+-----------------------------------
         80 |          1        0.01        0.01
        993 |          1        0.01        0.02
       1649 |          1        0.01        0.03
       2358 |          1        0.01        0.03
       6692 |          1        0.01        0.04
      10350 |          1        0.01        0.05
          . |     11,912       99.95      100.00
------------+-----------------------------------
      Total |     11,918      100.00

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