Frequencies for first 10,000 rows of explanation_code variable in nadac20171227

 Codes that |
 pertain to |
    how the |
  NADAC was |
 calculated |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,385       63.85       63.85
       1, 5 |        976        9.76       73.61
    1, 5, 6 |         96        0.96       74.57
       1, 6 |        379        3.79       78.36
          2 |        451        4.51       82.87
       2, 5 |        215        2.15       85.02
    2, 5, 6 |         42        0.42       85.44
       2, 6 |         82        0.82       86.26
          3 |         21        0.21       86.47
       3, 5 |          5        0.05       86.52
       3, 6 |          1        0.01       86.53
          4 |        855        8.55       95.08
       4, 5 |        350        3.50       98.58
    4, 5, 6 |         51        0.51       99.09
       4, 6 |         91        0.91      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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