Frequencies for first 10,000 rows of rx7v1c1 variable in namcs2013 dataset :

   For RX7, |
 level 1 of |
MULTUM drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,441       84.41       84.41
        001 |         43        0.43       84.84
        020 |         14        0.14       84.98
        028 |          1        0.01       84.99
        040 |        263        2.63       87.62
        057 |        294        2.94       90.56
        081 |         16        0.16       90.72
        087 |         98        0.98       91.70
        097 |         85        0.85       92.55
        105 |         22        0.22       92.77
        113 |         12        0.12       92.89
        115 |        159        1.59       94.48
        122 |        104        1.04       95.52
        133 |        101        1.01       96.53
        218 |         47        0.47       97.00
        242 |         67        0.67       97.67
        254 |         32        0.32       97.99
        331 |          1        0.01       98.00
        358 |        200        2.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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