_dta:
  1.  countyrate2015 set up by Jean Roth , jroth@nber.org , 19 Dec 2016
  2.  Source Page: https://www.cms.gov/Medicare/Health-Plans/MedicareAdvtgSpecRateStats/Ratebooks-and-Supporting-Data.html
  3.  Source File URL: www.cms.gov/Medicare/Health-Plans/MedicareAdvtgSpecRateStats/Downloads/ratebook.zip

  obs:         3,248                          
 vars:            10                          19 Dec 2016 14:41
 size:       308,560                          (_dta has notes)
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ssacounty       str5    %9s                   SSA County Code
stabbr          str2    %9s                   State 2-Character Abbreviation
countyname      str21   %21s                  County name
bonus5          str10   %10s                  5% Bonus Rate, 2015 Rate
bonus35         str10   %10s                  3.5% Bonus Rate, 2015 Rate
bonus0          str10   %10s                  0% Bonus Rate, 2015 Rate
abesrd          str10   %10s                  ESRD Parts A & B
fipsstco        str5    %9s                   FIPS State and County Code
state           str20   %20s                  State Name
year            int     %9.0g                 Year
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Sorted by: ssacounty