_dta:
  1.  pdp2017 data set up by Jean Roth , jroth@nber.org , 6 Dec 2016
  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/2017-PDP-Landscape-Source-Files-v-10-18-16.zip
  4.  Excel file 2017LandscapeSource file PDP 10182016.xls
  5.  Sheet PDP
  6.  2017 Medicare Part D Stand-Alone Prescription Drug Plans
  7.  Data as of October 17, 2016.  Includes 2017 approved contracts/plans.  Employer sponsored plans (800 series) are excluded. Plans under sanction are not shown.
  8.  Notes: Data are subject to change as contracts are finalized.  For 2017, enhanced alternative plans may offer additional cost sharing reductions in the gap on a sub-set of the
      formulary drugs, beyond the standard Part D benefit.

  obs:         1,030                          
 vars:            13                          6 Dec 2016 15:56
 size:       185,400                          (_dta has notes)
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              storage   display    value
variable name   type    format     label      variable label
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
state           str24   %24s                  State
companyname     str47   %47s                  Company Name
planname        str44   %44s                  Plan Name
benefittype     str8    %9s                   Benefit Type
zerodollarpremiumwithfulllo
                str1    %9s                   $0 Premium with Full Low-Income Subsidy?
monthlydrugpremium
                double  %10.0g                Monthly Drug Premium
annualdrugdeductible
                int     %10.0g                Annual Drug Deductible
additionaldrugcoverageoffered
                str3    %9s                   Additional Drug Coverage Offered in the Gap
contractid      str5    %9s                   Contract ID
planid          str3    %9s                   Plan ID
benefittypedetail
                str2    %9s                   Benefit Type Detail
summarystarrating
                double  %10.0g                Summary Star Rating
summarystarratingstr
                str25   %25s                  Summary Star Rating
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Sorted by: state  contractid  planid