Frequencies for first 10,000 rows of srvy_ever_acrdtd_sw variable in pos2010 dataset :

    CURRENT |
SURVEY EVER |
 ACCREDITED |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,638       86.38       86.38
          N |        385        3.85       90.23
          Y |        977        9.77      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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