Frequencies for first 10,000 rows of famplan variable in nhamcsopd2000 dataset :

     family |
planning/co |
ntraception |
 couns/educ |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,760       97.60       97.60
          1 |        240        2.40      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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