Frequencies for first 10,000 rows of nationalnetwork variable in plan2017 dataset :

   National |
    Network |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      7,261       72.61       72.61
        Yes |      2,739       27.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 Dec 2017