Frequencies for oldnadacperunit variable in nadacc20160406 dataset :

        Old |
   National |
    Average |
       Drug |
Acquisition |
   Cost Per |
       Unit |      Freq.     Percent        Cum.
------------+-----------------------------------
    2.21417 |          2       14.29       14.29
    2.21716 |          2       14.29       28.57
    2.23371 |          2       14.29       42.86
    2.79238 |          2       14.29       57.14
    4.14297 |          1        7.14       64.29
     4.6981 |          1        7.14       71.43
    4.72635 |          1        7.14       78.57
    4.80659 |          1        7.14       85.71
     5.4202 |          2       14.29      100.00
------------+-----------------------------------
      Total |         14      100.00

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