Frequencies for first 10,000 rows of rx8v1c2 variable in namcs2009 dataset :

   for rx8, |
 level 1 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,872       98.72       98.72
        001 |          5        0.05       98.77
        040 |         30        0.30       99.07
        057 |         19        0.19       99.26
        081 |         30        0.30       99.56
        097 |         15        0.15       99.71
        105 |          5        0.05       99.76
        115 |          2        0.02       99.78
        122 |          8        0.08       99.86
        133 |          2        0.02       99.88
        218 |          1        0.01       99.89
        242 |          3        0.03       99.92
        358 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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