Frequencies for first 10,000 rows of rx7v2c2 variable in namcs2011 dataset :

   For RX7, |
 level 2 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,843       98.43       98.43
        005 |          2        0.02       98.45
        015 |          2        0.02       98.47
        019 |          7        0.07       98.54
        046 |         19        0.19       98.73
        053 |          6        0.06       98.79
        064 |          8        0.08       98.87
        065 |         13        0.13       99.00
        067 |          1        0.01       99.01
        083 |         53        0.53       99.54
        098 |          1        0.01       99.55
        104 |          2        0.02       99.57
        117 |          4        0.04       99.61
        118 |          1        0.01       99.62
        123 |          5        0.05       99.67
        124 |          5        0.05       99.72
        125 |          6        0.06       99.78
        132 |          1        0.01       99.79
        146 |          1        0.01       99.80
        151 |          1        0.01       99.81
        192 |          2        0.02       99.83
        219 |          1        0.01       99.84
        251 |          2        0.02       99.86
        288 |          1        0.01       99.87
        289 |          2        0.02       99.89
        303 |          5        0.05       99.94
        320 |          1        0.01       99.95
        332 |          1        0.01       99.96
        340 |          3        0.03       99.99
        417 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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