Frequencies for first 10,000 rows of prov4215 variable in posclia2006 dataset :

 accredited |
    by cola |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,724       97.24       97.24
          X |        276        2.76      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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