Frequencies for first 10,000 rows of diagsc22 variable in nhamcsed1997 dataset :

      other |
diag/screen |
 service #2 |
     - 2dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      9,960       99.60       99.60
         68 |          1        0.01       99.61
         89 |          7        0.07       99.68
         90 |         15        0.15       99.83
         91 |         12        0.12       99.95
         94 |          3        0.03       99.98
         99 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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