Frequencies for first 10,000 rows of digsc22d variable in nhamcsopd2002 dataset :

diag/screen |
    service |
write-in #2 |
 - 2 digit/ |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      9,824       98.24       98.24
         38 |          2        0.02       98.26
         75 |         11        0.11       98.37
         82 |          1        0.01       98.38
         86 |         11        0.11       98.49
         88 |         10        0.10       98.59
         89 |         77        0.77       99.36
         90 |         13        0.13       99.49
         91 |          2        0.02       99.51
         93 |          4        0.04       99.55
         95 |         37        0.37       99.92
         99 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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