Frequencies for first 10,000 rows of diagsc22 variable in nhamcsed1998 dataset :

      other |
diag/screen |
 service #2 |
     - 2dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      9,903       99.03       99.03
         88 |          1        0.01       99.04
         89 |         27        0.27       99.31
         90 |         13        0.13       99.44
         91 |         13        0.13       99.57
         93 |          2        0.02       99.59
         94 |         33        0.33       99.92
         99 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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