Frequencies for first 10,000 rows of srvy_ever_nacrdtd_sw variable in pos2002 dataset :

    current |
survey ever |
 non-accred |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,716       87.16       87.16
          N |        937        9.37       96.53
          Y |        347        3.47      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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