Frequencies for first 10,000 rows of grwthdev variable in namcs2014 dataset :

Growth/Deve |
    lopment |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,748       97.48       97.48
        Yes |        252        2.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017