Frequencies for first 10,000 rows of rx7v3c2 variable in namcs2011 dataset :

   For RX7, |
 level 3 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,884       98.84       98.84
        070 |          1        0.01       98.85
        174 |          7        0.07       98.92
        180 |          6        0.06       98.98
        196 |          1        0.01       98.99
        197 |          1        0.01       99.00
        198 |         11        0.11       99.11
        203 |          8        0.08       99.19
        210 |          2        0.02       99.21
        211 |         53        0.53       99.74
        238 |          2        0.02       99.76
        268 |          1        0.01       99.77
        301 |          1        0.01       99.78
        374 |          1        0.01       99.79
        385 |          5        0.05       99.84
        386 |          3        0.03       99.87
        388 |          7        0.07       99.94
        389 |          4        0.04       99.98
        444 |          1        0.01       99.99
        445 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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