Frequencies for first 10,000 rows of rx18v2c2 variable in namcs2014 dataset :

  For RX18, |
 level 2 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,987       99.87       99.87
        046 |          1        0.01       99.88
        053 |          1        0.01       99.89
        064 |          1        0.01       99.90
        065 |          2        0.02       99.92
        083 |          3        0.03       99.95
        104 |          1        0.01       99.96
        123 |          1        0.01       99.97
        219 |          2        0.02       99.99
        340 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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