Frequencies for first 10,000 rows of organizationtype variable in ma2012 dataset :

 Organization |
         Type |      Freq.     Percent        Cum.
--------------+-----------------------------------
              |      5,186       51.86       51.86
    Local CCP |      2,764       27.64       79.50
National PACE |         48        0.48       79.98
          PDP |        332        3.32       83.30
         PFFS |        399        3.99       87.29
 Regional CCP |      1,271       12.71      100.00
--------------+-----------------------------------
        Total |     10,000      100.00

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