Frequencies for first 10,000 rows of digsc12d variable in namcs2008 dataset :

 diagnostic |
 service #1 |
  - 2 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |      8,118       81.18       81.18
         00 |          2        0.02       81.20
         03 |          2        0.02       81.22
         06 |          1        0.01       81.23
         08 |          1        0.01       81.24
         16 |          1        0.01       81.25
         18 |          1        0.01       81.26
         37 |          1        0.01       81.27
         38 |          1        0.01       81.28
         39 |          2        0.02       81.30
         55 |          1        0.01       81.31
         67 |          1        0.01       81.32
         69 |          1        0.01       81.33
         75 |          1        0.01       81.34
         81 |          4        0.04       81.38
         83 |          1        0.01       81.39
         86 |         41        0.41       81.80
         87 |         13        0.13       81.93
         88 |         20        0.20       82.13
         89 |      1,080       10.80       92.93
         90 |        364        3.64       96.57
         91 |         83        0.83       97.40
         92 |         11        0.11       97.51
         93 |         41        0.41       97.92
         94 |          8        0.08       98.00
         95 |        160        1.60       99.60
         96 |          6        0.06       99.66
         97 |          3        0.03       99.69
         99 |         31        0.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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