Frequencies for first 10,000 rows of prov3545 variable in pos2006 dataset :

    current |
survey ever |
 accredited |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,710       87.10       87.10
          N |        333        3.33       90.43
          Y |        957        9.57      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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