Frequencies for eyerat variable in pcstate2013 dataset :

    Average |
     annual |
 percent of |
   diabetic |
   Medicare |
  enrollees |
  age 65-75 |
 having eye |
      exami |      Freq.     Percent        Cum.
------------+-----------------------------------
   55.01629 |          1        1.92        1.92
   59.71285 |          1        1.92        3.85
   60.25008 |          1        1.92        5.77
   61.45595 |          1        1.92        7.69
   61.82973 |          1        1.92        9.62
   62.04387 |          1        1.92       11.54
   62.35557 |          1        1.92       13.46
   62.73359 |          1        1.92       15.38
   62.88059 |          1        1.92       17.31
    63.1728 |          1        1.92       19.23
   63.22929 |          1        1.92       21.15
   63.24936 |          1        1.92       23.08
   63.28121 |          1        1.92       25.00
   63.57922 |          1        1.92       26.92
   63.72372 |          1        1.92       28.85
   63.82565 |          1        1.92       30.77
   64.03557 |          1        1.92       32.69
   64.04873 |          1        1.92       34.62
   65.90224 |          1        1.92       36.54
   65.99617 |          1        1.92       38.46
    66.4956 |          1        1.92       40.38
   66.70248 |          1        1.92       42.31
   66.75872 |          1        1.92       44.23
   66.92672 |          1        1.92       46.15
   66.94279 |          1        1.92       48.08
   67.04988 |          1        1.92       50.00
   67.11685 |          1        1.92       51.92
    67.3399 |          1        1.92       53.85
   67.39322 |          1        1.92       55.77
   67.39972 |          1        1.92       57.69
   67.81786 |          1        1.92       59.62
    68.2788 |          1        1.92       61.54
   69.02434 |          1        1.92       63.46
   69.19416 |          1        1.92       65.38
   69.54674 |          1        1.92       67.31
   69.68656 |          1        1.92       69.23
   70.31623 |          1        1.92       71.15
   70.33823 |          1        1.92       73.08
   70.52853 |          1        1.92       75.00
   71.38711 |          1        1.92       76.92
   71.40087 |          1        1.92       78.85
    71.4888 |          1        1.92       80.77
   73.12837 |          1        1.92       82.69
   73.75976 |          1        1.92       84.62
    74.1737 |          1        1.92       86.54
   74.52448 |          1        1.92       88.46
   75.29618 |          1        1.92       90.38
    76.3611 |          1        1.92       92.31
   76.40961 |          1        1.92       94.23
   76.54127 |          1        1.92       96.15
   78.28052 |          1        1.92       98.08
   78.43134 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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