Frequencies for first 10,000 rows of nationalnetwork variable in plan2015 dataset :

   National |
    Network |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      5,514       55.14       55.14
        Yes |      4,486       44.86      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 9 Dec 2017