Frequencies for first 10,000 rows of rx20v2c1 variable in nhamcsed2015 dataset 

  For RX20, |
 level 2 of |
MULTUM drug |
category #1 |
(intermedia |
  te level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,971       99.71       99.71
        014 |          1        0.01       99.72
        045 |          1        0.01       99.73
        047 |          1        0.01       99.74
        053 |          1        0.01       99.75
        056 |          1        0.01       99.76
        058 |          3        0.03       99.79
        065 |          1        0.01       99.80
        067 |          1        0.01       99.81
        082 |          3        0.03       99.84
        095 |          4        0.04       99.88
        099 |          1        0.01       99.89
        104 |          1        0.01       99.90
        117 |          3        0.03       99.93
        124 |          1        0.01       99.94
        125 |          1        0.01       99.95
        136 |          1        0.01       99.96
        249 |          1        0.01       99.97
        272 |          1        0.01       99.98
        406 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017