Frequencies for s2_19 variable in hcris2552_96_1997 dataset :

      s2_19 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,091       79.80       79.80
          2 |        250        3.92       83.71
          3 |         12        0.19       83.90
          4 |        642       10.06       93.97
          5 |        226        3.54       97.51
          6 |         26        0.41       97.92
          7 |         32        0.50       98.42
          8 |          8        0.13       98.54
          9 |         23        0.36       98.90
          . |         70        1.10      100.00
------------+-----------------------------------
      Total |      6,380      100.00

by Jean Roth , jroth@nber.org , 6 Sep 2018