Frequencies for first 10,000 rows of specialneedsplantype variable in ma2014 dataset :

       Special Needs Plan Type |      Freq.     Percent        Cum.
-------------------------------+-----------------------------------
                               |      9,003       90.03       90.03
Chronic or Disabling Condition |        321        3.21       93.24
                 Dual-Eligible |        630        6.30       99.54
                 Institutional |         46        0.46      100.00
-------------------------------+-----------------------------------
                         Total |     10,000      100.00

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