Frequencies for first 10,000 rows of isnoticerequiredforpregnancy variable in plan2015 dataset :

     Notice |
   Required |
        for |
  Pregnancy |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      1,558       15.58       15.58
         NO |          4        0.04       15.62
         No |      6,125       61.25       76.87
        Yes |      2,313       23.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 9 Dec 2017