Frequencies for first 10,000 rows of grwthdev variable in namcs1997 dataset :

growth/deve |
    lopment |
 couns/educ |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,795       97.95       97.95
          1 |        205        2.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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