Frequencies for first 10,000 rows of grwthdev variable in nhamcsopd2003 dataset :

growth/deve |
    lopment |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      9,549       95.49       95.49
        yes |        451        4.51      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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