Frequencies for first 10,000 rows of ssamsasz variable in posclia2005 dataset :

   ssamsasz |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,803       28.03       28.03
          A |          2        0.02       28.05
          B |      2,281       22.81       50.86
          C |      2,017       20.17       71.03
          D |      1,412       14.12       85.15
          E |      1,374       13.74       98.89
          F |        111        1.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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