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

       Special Needs Plan Type |      Freq.     Percent        Cum.
-------------------------------+-----------------------------------
                               |      9,244       92.44       92.44
Chronic or Disabling Condition |        116        1.16       93.60
                 Dual-Eligible |        611        6.11       99.71
                 Institutional |         29        0.29      100.00
-------------------------------+-----------------------------------
                         Total |     10,000      100.00

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