Frequencies for first 10,000 rows of prov3545 variable in pos1996 dataset :

    current |
survey ever |
 accredited |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,690       86.90       86.90
          N |        327        3.27       90.17
          Y |        983        9.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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