Frequencies for mammwrat variable in pcstate2009 dataset :

    Average |
 percent of |
     female |
   Medicare |
  enrollees |
  age 67-69 |
  having at |
  least one |
      mammo |      Freq.     Percent        Cum.
------------+-----------------------------------
   57.98439 |          1        1.92        1.92
   59.63323 |          1        1.92        3.85
   59.75736 |          1        1.92        5.77
   59.95226 |          1        1.92        7.69
   60.16652 |          1        1.92        9.62
   61.72686 |          1        1.92       11.54
   61.79851 |          1        1.92       13.46
   61.93662 |          1        1.92       15.38
   62.14809 |          1        1.92       17.31
   62.62217 |          1        1.92       19.23
   62.71676 |          1        1.92       21.15
   62.82695 |          1        1.92       23.08
   62.85508 |          1        1.92       25.00
   63.60017 |          1        1.92       26.92
    63.7521 |          1        1.92       28.85
   64.36891 |          1        1.92       30.77
   64.58984 |          1        1.92       32.69
   65.02014 |          1        1.92       34.62
   65.92995 |          1        1.92       36.54
   65.97207 |          1        1.92       38.46
   66.05283 |          1        1.92       40.38
   66.17454 |          1        1.92       42.31
   66.28176 |          1        1.92       44.23
   66.37143 |          1        1.92       46.15
   66.73895 |          1        1.92       48.08
   66.93208 |          1        1.92       50.00
   67.15471 |          1        1.92       51.92
   67.37196 |          1        1.92       53.85
   67.39501 |          1        1.92       55.77
   67.47856 |          1        1.92       57.69
   67.58891 |          1        1.92       59.62
    67.9615 |          1        1.92       61.54
   68.22929 |          1        1.92       63.46
   70.40047 |          1        1.92       65.38
     70.441 |          1        1.92       67.31
   70.46454 |          1        1.92       69.23
   71.03173 |          1        1.92       71.15
   71.48834 |          1        1.92       73.08
   71.52269 |          1        1.92       75.00
   72.00076 |          1        1.92       76.92
   72.74247 |          1        1.92       78.85
   73.71613 |          1        1.92       80.77
   74.10926 |          1        1.92       82.69
   74.29554 |          1        1.92       84.62
   74.70666 |          1        1.92       86.54
   75.94669 |          1        1.92       88.46
          . |          6       11.54      100.00
------------+-----------------------------------
      Total |         52      100.00

by Jean Roth , jroth@nber.org , 14 Mar 2018