Frequencies for first 10,000 rows of specialneedsplan variable in planreport2009 dataset :

    Special |
 Needs Plan |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      5,304       53.04       53.04
         No |      3,940       39.40       92.44
        Yes |        756        7.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 14 Apr 2016