Frequencies for first 10,000 rows of wttake variable in namcs2006 dataset :

     weight |
      taken |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      1,866       18.66       18.66
        yes |      8,134       81.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016