Frequencies for s3_1_c19_3 variable in snf_rollup2540_96_2011 dataset :

 s3_1_c19_3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          2        0.11        0.11
          2 |          5        0.28        0.39
          3 |          1        0.06        0.44
          4 |          3        0.17        0.61
          5 |          1        0.06        0.66
          6 |          1        0.06        0.72
          8 |          2        0.11        0.83
          9 |          3        0.17        1.00
         10 |          2        0.11        1.11
         15 |          1        0.06        1.16
         16 |          2        0.11        1.27
         17 |          1        0.06        1.33
         20 |          1        0.06        1.38
         21 |          2        0.11        1.49
         24 |          1        0.06        1.55
         27 |          1        0.06        1.60
         28 |          1        0.06        1.66
         30 |          2        0.11        1.77
         31 |          1        0.06        1.82
         39 |          3        0.17        1.99
         51 |          1        0.06        2.05
         54 |          1        0.06        2.10
         58 |          1        0.06        2.16
         76 |          1        0.06        2.21
        117 |          1        0.06        2.27
        130 |          2        0.11        2.38
        147 |          1        0.06        2.43
        176 |          1        0.06        2.49
          . |      1,764       97.51      100.00
------------+-----------------------------------
      Total |      1,809      100.00

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