Frequencies for first 10,000 rows of plantype variable in planreport2017 dataset :

                      Plan Type |      Freq.     Percent        Cum.
--------------------------------+-----------------------------------
                                |      4,332       43.32       43.32
                      1876 Cost |        253        2.53       45.85
                            HMO |      2,493       24.93       70.78
                         HMOPOS |        224        2.24       73.02
                      Local PPO |        836        8.36       81.38
Medicare Prescription Drug Plan |        198        1.98       83.36
     Medicare-Medicaid Plan HMO |         17        0.17       83.53
                  National PACE |        102        1.02       84.55
                           PFFS |        223        2.23       86.78
                   Regional PPO |      1,322       13.22      100.00
--------------------------------+-----------------------------------
                          Total |     10,000      100.00

by Jean Roth , jroth@nber.org ,