Frequencies for first 10,000 rows of grwthdev variable in nhamcsopd2007 dataset :

growth/deve |
    lopment |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      9,587       95.87       95.87
        yes |        413        4.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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