Frequencies for specialneedsplantype variable in snp2018 dataset :

       Special Needs Plan Type |      Freq.     Percent        Cum.
-------------------------------+-----------------------------------
Chronic or Disabling Condition |      2,113       18.75       18.75
                 Dual-Eligible |      7,990       70.91       89.66
                 Institutional |      1,165       10.34      100.00
-------------------------------+-----------------------------------
                         Total |     11,268      100.00

by Jean Roth , jroth@nber.org , 10 Sep 2018