Frequencies for first 10,000 rows of rx1v2c2 variable in namcs2011 dataset :

   For RX1, |
 level 2 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,231       92.31       92.31
        005 |         38        0.38       92.69
        012 |         12        0.12       92.81
        015 |         75        0.75       93.56
        019 |         11        0.11       93.67
        046 |         88        0.88       94.55
        053 |          9        0.09       94.64
        064 |         44        0.44       95.08
        065 |         57        0.57       95.65
        066 |          3        0.03       95.68
        083 |        113        1.13       96.81
        098 |         11        0.11       96.92
        101 |         18        0.18       97.10
        104 |          5        0.05       97.15
        110 |          2        0.02       97.17
        117 |         15        0.15       97.32
        120 |          2        0.02       97.34
        123 |         49        0.49       97.83
        124 |         21        0.21       98.04
        125 |         21        0.21       98.25
        127 |          3        0.03       98.28
        129 |         12        0.12       98.40
        130 |          9        0.09       98.49
        132 |          4        0.04       98.53
        136 |         18        0.18       98.71
        146 |         12        0.12       98.83
        151 |          6        0.06       98.89
        192 |          3        0.03       98.92
        219 |          2        0.02       98.94
        220 |          2        0.02       98.96
        249 |          2        0.02       98.98
        251 |          4        0.04       99.02
        253 |         30        0.30       99.32
        277 |          1        0.01       99.33
        289 |         15        0.15       99.48
        303 |          8        0.08       99.56
        320 |         29        0.29       99.85
        340 |          7        0.07       99.92
        363 |          2        0.02       99.94
        417 |          4        0.04       99.98
        423 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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