Frequencies for first 10,000 rows of ssamsasz variable in posclia2003 dataset :

   ssamsasz |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,733       27.33       27.33
          A |          2        0.02       27.35
          B |      2,599       25.99       53.34
          C |      2,001       20.01       73.35
          D |      1,283       12.83       86.18
          E |      1,260       12.60       98.78
          F |        122        1.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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