Frequencies for first 10,000 rows of rx3v1c2 variable in namcs2012 dataset :

   For RX3, |
 level 1 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,566       95.66       95.66
        001 |         29        0.29       95.95
        020 |          1        0.01       95.96
        040 |         92        0.92       96.88
        057 |         87        0.87       97.75
        081 |         72        0.72       98.47
        087 |          1        0.01       98.48
        097 |         21        0.21       98.69
        105 |         25        0.25       98.94
        115 |         12        0.12       99.06
        122 |         46        0.46       99.52
        133 |         14        0.14       99.66
        218 |          5        0.05       99.71
        242 |          8        0.08       99.79
        254 |          1        0.01       99.80
        331 |          1        0.01       99.81
        358 |         19        0.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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