Frequencies for first 10,000 rows of grwthdev variable in nhamcsopd2005 dataset :

growth/deve |
    lopment |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      9,480       94.80       94.80
        yes |        520        5.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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