Frequencies for first 10,000 rows of othexm12 variable in namcs1995 dataset :

 other exam |
 - icd-9-cm |
procedure - |
      2 dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      7,726       77.26       77.26
         12 |          2        0.02       77.28
         37 |          1        0.01       77.29
         38 |          2        0.02       77.31
         41 |          1        0.01       77.32
         44 |          2        0.02       77.34
         45 |         11        0.11       77.45
         48 |          1        0.01       77.46
         49 |          1        0.01       77.47
         57 |          1        0.01       77.48
         69 |          1        0.01       77.49
         75 |          3        0.03       77.52
         85 |          1        0.01       77.53
         86 |         11        0.11       77.64
         87 |          2        0.02       77.66
         88 |          2        0.02       77.68
         89 |      1,791       17.91       95.59
         90 |        148        1.48       97.07
         91 |        208        2.08       99.15
         92 |          8        0.08       99.23
         93 |         21        0.21       99.44
         95 |         34        0.34       99.78
         96 |          5        0.05       99.83
         99 |         17        0.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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