Frequencies for first 10,000 rows of aoa_acrdtd_cd variable in posclia2016 dataset :

     AO AOA |
 Accredited |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,998       99.98       99.98
          X |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Jan 2017