Frequencies for first 10,000 rows of digsc12d variable in nhamcsopd2008 dataset :

 diagnostic |
 service #1 |
  - 2 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |      7,452       74.52       74.52
         00 |          1        0.01       74.53
         03 |          3        0.03       74.56
         16 |          1        0.01       74.57
         26 |          1        0.01       74.58
         33 |          2        0.02       74.60
         37 |          2        0.02       74.62
         38 |          1        0.01       74.63
         39 |          1        0.01       74.64
         41 |          1        0.01       74.65
         57 |          2        0.02       74.67
         66 |          1        0.01       74.68
         67 |          1        0.01       74.69
         69 |          2        0.02       74.71
         75 |         86        0.86       75.57
         78 |          1        0.01       75.58
         81 |          2        0.02       75.60
         86 |         25        0.25       75.85
         87 |         26        0.26       76.11
         88 |        120        1.20       77.31
         89 |      1,502       15.02       92.33
         90 |        144        1.44       93.77
         91 |        167        1.67       95.44
         92 |          4        0.04       95.48
         93 |         77        0.77       96.25
         94 |         45        0.45       96.70
         95 |        279        2.79       99.49
         96 |          5        0.05       99.54
         99 |         46        0.46      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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