Frequencies for eyewrat variable in pcstate2013 dataset :

    Average |
     annual |
 percent of |
   diabetic |
   Medicare |
  enrollees |
  age 65-75 |
 having eye |
      exami |      Freq.     Percent        Cum.
------------+-----------------------------------
   54.84848 |          1        1.92        1.92
   59.68789 |          1        1.92        3.85
   60.11456 |          1        1.92        5.77
    61.5388 |          1        1.92        7.69
   62.10587 |          1        1.92        9.62
   62.11891 |          1        1.92       11.54
   62.80118 |          1        1.92       13.46
   62.92752 |          1        1.92       15.38
   63.37632 |          1        1.92       17.31
   63.44702 |          1        1.92       19.23
   63.76225 |          1        1.92       21.15
   63.97509 |          1        1.92       23.08
   64.20748 |          1        1.92       25.00
   64.27094 |          1        1.92       26.92
   64.27996 |          1        1.92       28.85
   64.31933 |          1        1.92       30.77
   64.58686 |          1        1.92       32.69
   65.05948 |          1        1.92       34.62
   66.63959 |          1        1.92       36.54
   66.79662 |          1        1.92       38.46
   66.93315 |          1        1.92       40.38
   67.10192 |          1        1.92       42.31
   67.12188 |          1        1.92       44.23
   67.32348 |          1        1.92       46.15
   67.40794 |          1        1.92       48.08
   67.44123 |          1        1.92       50.00
   67.53026 |          1        1.92       51.92
   67.55169 |          1        1.92       53.85
   68.22004 |          1        1.92       55.77
   68.30873 |          1        1.92       57.69
   68.97124 |          1        1.92       59.62
   69.08228 |          1        1.92       61.54
   69.47178 |          1        1.92       63.46
   69.97769 |          1        1.92       65.38
   70.37351 |          1        1.92       67.31
   70.57467 |          1        1.92       69.23
   70.59493 |          1        1.92       71.15
   70.61427 |          1        1.92       73.08
   70.88163 |          1        1.92       75.00
   71.39563 |          1        1.92       76.92
   71.45163 |          1        1.92       78.85
   71.68051 |          1        1.92       80.77
   73.50334 |          1        1.92       82.69
   74.23073 |          1        1.92       84.62
    74.2784 |          1        1.92       86.54
   75.14986 |          1        1.92       88.46
   75.51939 |          1        1.92       90.38
   76.32648 |          1        1.92       92.31
   76.41411 |          1        1.92       94.23
   76.69026 |          1        1.92       96.15
   78.27123 |          1        1.92       98.08
   78.62919 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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