Frequencies for first 10,000 rows of prov3545 variable in pos1999 dataset :

    current |
survey ever |
 accredited |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,784       87.84       87.84
          N |        319        3.19       91.03
          Y |        897        8.97      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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