Frequencies for first 10,000 rows of rx1v2c2 variable in namcs2012 dataset :

   For RX1, |
 level 2 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,155       91.55       91.55
        004 |          1        0.01       91.56
        005 |         31        0.31       91.87
        012 |         15        0.15       92.02
        015 |         34        0.34       92.36
        019 |          4        0.04       92.40
        046 |        112        1.12       93.52
        053 |          1        0.01       93.53
        064 |         56        0.56       94.09
        065 |         43        0.43       94.52
        083 |        110        1.10       95.62
        098 |          7        0.07       95.69
        101 |         42        0.42       96.11
        103 |          1        0.01       96.12
        104 |         13        0.13       96.25
        110 |         20        0.20       96.45
        117 |         14        0.14       96.59
        120 |         18        0.18       96.77
        123 |         26        0.26       97.03
        124 |         23        0.23       97.26
        125 |         12        0.12       97.38
        127 |          7        0.07       97.45
        129 |          8        0.08       97.53
        130 |          5        0.05       97.58
        132 |          1        0.01       97.59
        136 |         30        0.30       97.89
        146 |          8        0.08       97.97
        151 |          6        0.06       98.03
        192 |          8        0.08       98.11
        219 |          3        0.03       98.14
        220 |         45        0.45       98.59
        247 |          3        0.03       98.62
        251 |          3        0.03       98.65
        253 |          7        0.07       98.72
        266 |          1        0.01       98.73
        277 |          3        0.03       98.76
        289 |         12        0.12       98.88
        303 |         32        0.32       99.20
        320 |         48        0.48       99.68
        340 |          6        0.06       99.74
        363 |          2        0.02       99.76
        377 |          2        0.02       99.78
        378 |          1        0.01       99.79
        401 |          3        0.03       99.82
        402 |          1        0.01       99.83
        417 |          6        0.06       99.89
        419 |          1        0.01       99.90
        420 |          3        0.03       99.93
        423 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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