Frequencies for first 10,000 rows of rx2v2c2 variable in namcs2006 dataset :

   for rx2, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,534       95.34       95.34
        005 |         15        0.15       95.49
        012 |         13        0.13       95.62
        015 |         17        0.17       95.79
        019 |          9        0.09       95.88
        053 |          4        0.04       95.92
        058 |          2        0.02       95.94
        064 |         61        0.61       96.55
        065 |         34        0.34       96.89
        066 |          1        0.01       96.90
        083 |        114        1.14       98.04
        098 |         31        0.31       98.35
        101 |         11        0.11       98.46
        109 |          6        0.06       98.52
        113 |          2        0.02       98.54
        117 |          6        0.06       98.60
        123 |         27        0.27       98.87
        124 |         13        0.13       99.00
        127 |          1        0.01       99.01
        129 |          4        0.04       99.05
        136 |         12        0.12       99.17
        146 |          5        0.05       99.22
        151 |         10        0.10       99.32
        192 |          5        0.05       99.37
        249 |          2        0.02       99.39
        251 |          5        0.05       99.44
        253 |          5        0.05       99.49
        272 |          1        0.01       99.50
        277 |          3        0.03       99.53
        289 |         14        0.14       99.67
        303 |          8        0.08       99.75
        320 |         18        0.18       99.93
        340 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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