Frequencies for first 10,000 rows of specialneedsplantype variable in planreport2015 dataset :

       Special Needs Plan Type |      Freq.     Percent        Cum.
-------------------------------+-----------------------------------
                               |      8,143       81.43       81.43
Chronic or Disabling Condition |        681        6.81       88.24
                 Dual-Eligible |      1,088       10.88       99.12
                 Institutional |         88        0.88      100.00
-------------------------------+-----------------------------------
                         Total |     10,000      100.00

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