Frequencies for d_1_c5_33 variable in snf_rollup2540_96_1995 dataset :

  d_1_c5_33 |      Freq.     Percent        Cum.
------------+-----------------------------------
          9 |          1        0.08        0.08
         30 |          1        0.08        0.16
         33 |          1        0.08        0.24
        143 |          1        0.08        0.32
       6569 |          1        0.08        0.40
          . |      1,230       99.60      100.00
------------+-----------------------------------
      Total |      1,235      100.00

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