Frequencies for mammrat variable in pcstate2013 dataset :

    Average |
 percent of |
     female |
   Medicare |
  enrollees |
  age 67-69 |
  having at |
  least one |
      mammo |      Freq.     Percent        Cum.
------------+-----------------------------------
   54.68034 |          1        1.92        1.92
   55.18692 |          1        1.92        3.85
   55.92919 |          1        1.92        5.77
   56.89912 |          1        1.92        7.69
   57.11841 |          1        1.92        9.62
   57.15838 |          1        1.92       11.54
   57.67121 |          1        1.92       13.46
    57.9398 |          1        1.92       15.38
   58.02618 |          1        1.92       17.31
   58.05487 |          1        1.92       19.23
   58.35537 |          1        1.92       21.15
   58.89265 |          1        1.92       23.08
    59.2932 |          1        1.92       25.00
   60.05244 |          1        1.92       26.92
   60.20118 |          1        1.92       28.85
   60.21963 |          1        1.92       30.77
   60.85134 |          1        1.92       32.69
   60.96005 |          1        1.92       34.62
   61.38336 |          1        1.92       36.54
   61.65123 |          1        1.92       38.46
   61.68072 |          1        1.92       40.38
    61.9068 |          1        1.92       42.31
   61.93133 |          1        1.92       44.23
   62.33692 |          1        1.92       46.15
   62.39589 |          1        1.92       48.08
   62.57447 |          1        1.92       50.00
   62.63767 |          1        1.92       51.92
   62.67808 |          1        1.92       53.85
   62.81591 |          1        1.92       55.77
   62.95083 |          1        1.92       57.69
   63.24287 |          1        1.92       59.62
   63.69808 |          1        1.92       61.54
   63.74986 |          1        1.92       63.46
   63.94413 |          1        1.92       65.38
   64.89902 |          1        1.92       67.31
   65.03779 |          1        1.92       69.23
   65.11486 |          1        1.92       71.15
   65.75765 |          1        1.92       73.08
   66.19665 |          1        1.92       75.00
   66.93539 |          1        1.92       76.92
    67.1272 |          1        1.92       78.85
    67.3752 |          1        1.92       80.77
   67.53527 |          1        1.92       82.69
   67.70655 |          1        1.92       84.62
   68.38345 |          1        1.92       86.54
   68.47763 |          1        1.92       88.46
   68.49648 |          1        1.92       90.38
    68.9243 |          1        1.92       92.31
   70.16659 |          1        1.92       94.23
   70.23345 |          1        1.92       96.15
   70.50367 |          1        1.92       98.08
   74.21323 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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