Frequencies for first 10,000 rows of ssamsasz variable in posclia2000 dataset :

   ssamsasz |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      3,140       31.40       31.40
          A |          2        0.02       31.42
          B |      2,314       23.14       54.56
          C |      1,795       17.95       72.51
          D |      1,374       13.74       86.25
          E |      1,204       12.04       98.29
          F |        171        1.71      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016