Frequencies for first 10,000 rows of srvy_ever_nacrdtd_sw variable in pos2005 dataset :

    current |
survey ever |
 non-accred |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,731       87.31       87.31
          N |        936        9.36       96.67
          Y |        333        3.33      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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