Frequencies for eyerat variable in pcstate2009 dataset :

    Average |
     annual |
 percent of |
   diabetic |
   Medicare |
  enrollees |
  age 65-75 |
 having eye |
      exami |      Freq.     Percent        Cum.
------------+-----------------------------------
    54.8869 |          1        1.92        1.92
    61.1871 |          1        1.92        3.85
   61.51608 |          1        1.92        5.77
   62.06367 |          1        1.92        7.69
   62.12688 |          1        1.92        9.62
   62.98847 |          1        1.92       11.54
   63.33765 |          1        1.92       13.46
   63.58604 |          1        1.92       15.38
   64.01066 |          1        1.92       17.31
   64.36925 |          1        1.92       19.23
   64.65255 |          1        1.92       21.15
   64.73084 |          1        1.92       23.08
   65.05293 |          1        1.92       25.00
   65.19025 |          1        1.92       26.92
   65.19704 |          1        1.92       28.85
   65.21496 |          1        1.92       30.77
   65.30489 |          1        1.92       32.69
    65.4807 |          1        1.92       34.62
   65.58758 |          1        1.92       36.54
    65.9688 |          1        1.92       38.46
    66.7809 |          1        1.92       40.38
   67.32422 |          1        1.92       42.31
   67.47951 |          1        1.92       44.23
   67.48471 |          1        1.92       46.15
   67.84105 |          1        1.92       48.08
   67.86804 |          1        1.92       50.00
   67.94209 |          1        1.92       51.92
   68.09146 |          1        1.92       53.85
   68.34351 |          1        1.92       55.77
   68.38975 |          1        1.92       57.69
   68.52543 |          1        1.92       59.62
   68.67269 |          1        1.92       61.54
    68.9505 |          1        1.92       63.46
   69.27749 |          1        1.92       65.38
   70.00266 |          1        1.92       67.31
    70.1158 |          1        1.92       69.23
   70.22666 |          1        1.92       71.15
   70.77825 |          1        1.92       73.08
   71.10384 |          1        1.92       75.00
   71.16854 |          1        1.92       76.92
   72.72527 |          1        1.92       78.85
   73.25092 |          1        1.92       80.77
   73.88838 |          1        1.92       82.69
   74.53128 |          1        1.92       84.62
   74.86695 |          1        1.92       86.54
   75.24718 |          1        1.92       88.46
   75.63161 |          1        1.92       90.38
   76.57729 |          1        1.92       92.31
   77.16343 |          1        1.92       94.23
   77.41147 |          1        1.92       96.15
   79.13203 |          1        1.92       98.08
   79.43803 |          1        1.92      100.00
------------+-----------------------------------
      Total |         52      100.00

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