Frequencies for first 10,000 rows of specialneedsplantype variable in planreport2007 dataset :

       Special Needs Plan Type |      Freq.     Percent        Cum.
-------------------------------+-----------------------------------
                               |      7,506       75.06       75.06
Chronic or Disabling Condition |      1,709       17.09       92.15
                 Dual-Eligible |        604        6.04       98.19
                 Institutional |        181        1.81      100.00
-------------------------------+-----------------------------------
                         Total |     10,000      100.00

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