Frequencies for first 10,000 rows of diagsc22 variable in nhamcsed1999 dataset :

      other |
diag/screen |
 service #2 |
     - 2dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      9,966       99.66       99.66
         75 |          1        0.01       99.67
         89 |         12        0.12       99.79
         90 |         11        0.11       99.90
         91 |          4        0.04       99.94
         95 |          2        0.02       99.96
         96 |          1        0.01       99.97
         99 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016