Frequencies for first 10,000 rows of hlt_edoclast variable in mcbsatc2013 datas

Years since |
  last exam |
     by eye |
     doctor |      Freq.     Percent        Cum.
------------+-----------------------------------
         -8 |         84        0.84        0.84
         -7 |          1        0.01        0.85
          1 |         93        0.93        1.78
          2 |      1,649       16.49       18.27
          3 |      1,327       13.27       31.54
          4 |        789        7.89       39.43
          . |      6,057       60.57      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 24 May 2016