Frequencies for first 10,000 rows of rx4v2c2 variable in namcs2012 dataset :

   For RX4, |
 level 2 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,660       96.60       96.60
        005 |          5        0.05       96.65
        012 |          7        0.07       96.72
        015 |          6        0.06       96.78
        017 |          1        0.01       96.79
        019 |          4        0.04       96.83
        026 |          1        0.01       96.84
        046 |         42        0.42       97.26
        053 |          7        0.07       97.33
        064 |         22        0.22       97.55
        065 |         28        0.28       97.83
        083 |         79        0.79       98.62
        095 |          1        0.01       98.63
        098 |          4        0.04       98.67
        101 |         10        0.10       98.77
        104 |          4        0.04       98.81
        117 |          5        0.05       98.86
        120 |          1        0.01       98.87
        123 |         11        0.11       98.98
        124 |          9        0.09       99.07
        125 |          5        0.05       99.12
        129 |          4        0.04       99.16
        130 |          1        0.01       99.17
        136 |          8        0.08       99.25
        146 |          1        0.01       99.26
        151 |          1        0.01       99.27
        192 |          4        0.04       99.31
        219 |          5        0.05       99.36
        220 |          5        0.05       99.41
        247 |          2        0.02       99.43
        249 |          1        0.01       99.44
        251 |          6        0.06       99.50
        253 |          1        0.01       99.51
        289 |         12        0.12       99.63
        303 |          9        0.09       99.72
        320 |          9        0.09       99.81
        340 |          5        0.05       99.86
        363 |          1        0.01       99.87
        417 |          6        0.06       99.93
        420 |          2        0.02       99.95
        423 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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