Frequencies for first 10,000 rows of rx9v1c1 variable in namcs2015 dataset :

   For RX9, |
 level 1 of |
MULTUM drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,961       89.61       89.61
        001 |         25        0.25       89.86
        020 |          9        0.09       89.95
        040 |        173        1.73       91.68
        057 |        188        1.88       93.56
        081 |         26        0.26       93.82
        087 |         78        0.78       94.60
        097 |         51        0.51       95.11
        105 |         15        0.15       95.26
        113 |         11        0.11       95.37
        115 |        152        1.52       96.89
        122 |         59        0.59       97.48
        133 |         62        0.62       98.10
        218 |         50        0.50       98.60
        242 |         34        0.34       98.94
        254 |          6        0.06       99.00
        331 |          1        0.01       99.01
        358 |         99        0.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017