Frequencies for first 10,000 rows of rx6v1c2 variable in namcs2008 dataset :

   for rx6, |
 level 1 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,823       98.23       98.23
        001 |          4        0.04       98.27
        040 |         39        0.39       98.66
        057 |         26        0.26       98.92
        081 |         58        0.58       99.50
        097 |          4        0.04       99.54
        105 |          3        0.03       99.57
        115 |          8        0.08       99.65
        122 |         14        0.14       99.79
        133 |          4        0.04       99.83
        242 |          2        0.02       99.85
        358 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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