Frequencies for first 10,000 rows of rx1v1c2 variable in namcs2014 dataset :

   For RX1, |
 level 1 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,058       90.58       90.58
        001 |         88        0.88       91.46
        020 |          2        0.02       91.48
        040 |        155        1.55       93.03
        057 |        129        1.29       94.32
        081 |        224        2.24       96.56
        097 |         66        0.66       97.22
        105 |         34        0.34       97.56
        115 |         35        0.35       97.91
        122 |         92        0.92       98.83
        133 |         37        0.37       99.20
        218 |         31        0.31       99.51
        242 |          8        0.08       99.59
        254 |          7        0.07       99.66
        358 |         34        0.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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