Frequencies for first 10,000 rows of specialneedsplantype variable in planreport2013 dataset :

       Special Needs Plan Type |      Freq.     Percent        Cum.
-------------------------------+-----------------------------------
                               |      7,964       79.64       79.64
Chronic or Disabling Condition |      1,025       10.25       89.89
                 Dual-Eligible |        991        9.91       99.80
                 Institutional |         20        0.20      100.00
-------------------------------+-----------------------------------
                         Total |     10,000      100.00

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