Frequencies for first 10,000 rows of rx2v3c2 variable in nhamcsed2013 dataset :

   For RX2, |
 level 3 of |
MULTUM drug |
category #2 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,571       95.71       95.71
        102 |          2        0.02       95.73
        180 |         16        0.16       95.89
        185 |          1        0.01       95.90
        196 |         36        0.36       96.26
        198 |        122        1.22       97.48
        203 |         56        0.56       98.04
        210 |          9        0.09       98.13
        211 |         57        0.57       98.70
        238 |          1        0.01       98.71
        239 |         12        0.12       98.83
        268 |          9        0.09       98.92
        290 |          2        0.02       98.94
        292 |         12        0.12       99.06
        301 |          1        0.01       99.07
        351 |          1        0.01       99.08
        385 |         79        0.79       99.87
        386 |          3        0.03       99.90
        388 |          7        0.07       99.97
        389 |          1        0.01       99.98
        461 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016