Frequencies for first 10,000 rows of coinsinntier2 variable in bencs2018 dataset :

     Coinsurance In Network (Tier 2) |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                                     |      8,648       86.48       86.48
                               0.00% |        207        2.07       88.55
                              15.00% |          2        0.02       88.57
                              20.00% |          2        0.02       88.59
                              25.00% |          8        0.08       88.67
                      Not Applicable |      1,133       11.33      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 Dec 2017