Frequencies for oldnadacperunit variable in nadacc20160727 dataset :

        Old |
   National |
    Average |
       Drug |
Acquisition |
   Cost Per |
       Unit |      Freq.     Percent        Cum.
------------+-----------------------------------
    3.44243 |          1        3.70        3.70
    3.84748 |          1        3.70        7.41
      12.35 |          1        3.70       11.11
   12.46761 |          1        3.70       14.81
    12.5406 |          1        3.70       18.52
   12.54953 |          1        3.70       22.22
   12.59032 |          1        3.70       25.93
   12.73611 |          1        3.70       29.63
      19.16 |          2        7.41       37.04
   22.23837 |          1        3.70       40.74
   22.83056 |          1        3.70       44.44
    22.9184 |          1        3.70       48.15
   23.84782 |          1        3.70       51.85
   24.29983 |          1        3.70       55.56
   26.68031 |          1        3.70       59.26
   26.74916 |          1        3.70       62.96
   28.18821 |          1        3.70       66.67
   29.52626 |          1        3.70       70.37
   29.59683 |          1        3.70       74.07
    29.8364 |          1        3.70       77.78
   44.40601 |          1        3.70       81.48
   59.13038 |          1        3.70       85.19
   62.30015 |          1        3.70       88.89
    66.9204 |          1        3.70       92.59
   228.9886 |          1        3.70       96.30
   973.7747 |          1        3.70      100.00
------------+-----------------------------------
      Total |         27      100.00

by Jean Roth , jroth@nber.org , 10 Feb 2018