Frequencies for first 10,000 rows of digsc12d variable in nhamcsopd2007 dataset :

 diagnostic |
 service #1 |
  - 2 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |      8,085       80.85       80.85
         03 |         11        0.11       80.96
         04 |          2        0.02       80.98
         18 |          1        0.01       80.99
         22 |          1        0.01       81.00
         29 |          1        0.01       81.01
         37 |          3        0.03       81.04
         38 |          4        0.04       81.08
         39 |          1        0.01       81.09
         45 |          1        0.01       81.10
         54 |          1        0.01       81.11
         59 |          1        0.01       81.12
         60 |          1        0.01       81.13
         67 |          1        0.01       81.14
         68 |          2        0.02       81.16
         69 |          7        0.07       81.23
         70 |          4        0.04       81.27
         75 |         77        0.77       82.04
         81 |          4        0.04       82.08
         85 |          1        0.01       82.09
         86 |         42        0.42       82.51
         87 |         14        0.14       82.65
         88 |         56        0.56       83.21
         89 |        921        9.21       92.42
         90 |        119        1.19       93.61
         91 |        196        1.96       95.57
         92 |          3        0.03       95.60
         93 |         51        0.51       96.11
         94 |          6        0.06       96.17
         95 |        290        2.90       99.07
         96 |          5        0.05       99.12
         98 |          1        0.01       99.13
         99 |         87        0.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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