Frequencies for first 10,000 rows of prov4215 variable in posclia2009 dataset :

 accredited |
    by cola |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,725       97.25       97.25
          X |        275        2.75      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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