Frequencies for first 10,000 rows of prov3555 variable in pos1998 dataset :

    current |
survey ever |
 non-accred |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,693       86.93       86.93
          N |        953        9.53       96.46
          Y |        354        3.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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