Frequencies for first 10,000 rows of specialneedsplantype variable in planreporta_to_m2013 dataset :

       Special Needs Plan Type |      Freq.     Percent        Cum.
-------------------------------+-----------------------------------
                               |      6,195       61.95       61.95
Chronic or Disabling Condition |      2,260       22.60       84.55
                 Dual-Eligible |      1,442       14.42       98.97
                 Institutional |        103        1.03      100.00
-------------------------------+-----------------------------------
                         Total |     10,000      100.00

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