Frequencies for first 10,000 rows of prov4975 variable in posclia2008 dataset :

 accredited |
y match ind |
        aoa |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,999       99.99       99.99
          Y |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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