Frequencies for first 10,000 rows of srvy_ever_acrdtd_sw variable in pos2000 dataset :

    current |
survey ever |
 accredited |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,775       87.75       87.75
          N |        328        3.28       91.03
          Y |        897        8.97      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017