Frequencies for first 10,000 rows of rx5v1c1 variable in namcs2008 dataset :

   for rx5, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,925       79.25       79.25
        001 |         77        0.77       80.02
        020 |         17        0.17       80.19
        028 |          4        0.04       80.23
        040 |        366        3.66       83.89
        057 |        386        3.86       87.75
        081 |         31        0.31       88.06
        087 |        109        1.09       89.15
        097 |        121        1.21       90.36
        105 |         69        0.69       91.05
        115 |        161        1.61       92.66
        122 |        138        1.38       94.04
        133 |         90        0.90       94.94
        218 |         39        0.39       95.33
        242 |         97        0.97       96.30
        254 |        117        1.17       97.47
        331 |          1        0.01       97.48
        358 |        251        2.51       99.99
        899 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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