Frequencies for s3_1_c3_3 variable in snf_rollup2540_96_1995 dataset :

  s3_1_c3_3 |      Freq.     Percent        Cum.
------------+-----------------------------------
         88 |          1        0.08        0.08
         91 |          1        0.08        0.16
         97 |          1        0.08        0.24
        264 |          1        0.08        0.32
       1274 |          1        0.08        0.40
       1497 |          1        0.08        0.49
       1799 |          1        0.08        0.57
       3514 |          1        0.08        0.65
          . |      1,227       99.35      100.00
------------+-----------------------------------
      Total |      1,235      100.00

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