Frequencies for first 10,000 rows of rx2v1c2 variable in namcs2014 dataset :

   For RX2, |
 level 1 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,277       92.77       92.77
        001 |         49        0.49       93.26
        040 |         95        0.95       94.21
        057 |        128        1.28       95.49
        081 |        184        1.84       97.33
        087 |          3        0.03       97.36
        097 |         25        0.25       97.61
        105 |         53        0.53       98.14
        113 |          1        0.01       98.15
        115 |         17        0.17       98.32
        122 |         72        0.72       99.04
        133 |         36        0.36       99.40
        218 |         12        0.12       99.52
        242 |          8        0.08       99.60
        254 |          9        0.09       99.69
        331 |          1        0.01       99.70
        358 |         30        0.30      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017