Frequencies for first 10,000 rows of prov3545 variable in pos2004 dataset :

    current |
survey ever |
 accredited |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,766       87.66       87.66
          N |        314        3.14       90.80
          Y |        920        9.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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