Frequencies for first 10,000 rows of rx9v2c2 variable in namcs2012 dataset :

   For RX9, |
 level 2 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,888       98.88       98.88
        005 |          4        0.04       98.92
        019 |          3        0.03       98.95
        046 |         13        0.13       99.08
        053 |          3        0.03       99.11
        064 |          3        0.03       99.14
        065 |          8        0.08       99.22
        083 |         34        0.34       99.56
        101 |          1        0.01       99.57
        104 |          2        0.02       99.59
        117 |          6        0.06       99.65
        118 |          1        0.01       99.66
        119 |          1        0.01       99.67
        120 |          1        0.01       99.68
        123 |          6        0.06       99.74
        124 |          3        0.03       99.77
        125 |          1        0.01       99.78
        136 |          2        0.02       99.80
        192 |          2        0.02       99.82
        219 |          2        0.02       99.84
        253 |          1        0.01       99.85
        289 |          3        0.03       99.88
        303 |          1        0.01       99.89
        320 |          2        0.02       99.91
        332 |          1        0.01       99.92
        340 |          1        0.01       99.93
        363 |          1        0.01       99.94
        410 |          1        0.01       99.95
        417 |          3        0.03       99.98
        423 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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