_dta:
  1.  mmp2018 data set up by Jean Roth , jroth@nber.org , 10 Sep 2018
  2.  Source Page: http://www.cms.gov/Medicare/Prescription-Drug-Coverage/PrescriptionDrugCovGenIn/index.html
  3.  Source File URL:
      www.cms.gov/Medicare/Prescription-Drug-Coverage/PrescriptionDrugCovGenIn/Downloads/2018-MMP-Landscape-Source-Files-v-10-
      > 14-17.zip
  4.  Excel file 2018LandscapeSource file MMP 10142017.xls
  5.  Sheet MMPs
  6.  2018 Medicare-Medicaid Plans
  7.  Data as of September 5, 2017.  Includes 2018 approved contracts/plans.
  8.  Notes:  Data are subject to change as contracts are finalized.

  obs:           360                          
 vars:            13                          10 Sep 2018 21:05
 size:        72,000                          (_dta has notes)
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              storage   display    value
variable name   type    format     label      variable label
------------------------------------------------------------------------------------------------------------------------------
state           str14   %14s                  State
county          str14   %14s                  County
organizationname
                str49   %49s                  Organization Name
planname        str72   %72s                  Plan Name
monthlyconsolidatedpremiumi
                byte    %10.0g                Monthly Consolidated Premium (Includes Part C + D)
annualdrugdeductible
                byte    %10.0g                Annual Drug Deductible
drugbenefittype str8    %9s                   Drug Benefit Type
additionalcoverageofferedin
                str3    %9s                   Additional Coverage Offered in the Gap
drugbenefittypedetail
                str2    %9s                   Drug Benefit Type Detail
contractid      str5    %9s                   Contract ID
planid          str3    %9s                   Plan ID
overallstarrating
                str14   %14s                  Overall Star Rating
overallstarratingstr
                str14   %14s                  Overall Star Rating
------------------------------------------------------------------------------------------------------------------------------
Sorted by: state  county  contractid  planid