Frequencies for first 10,000 rows of explanation_code variable in nadac20180103

 Codes that |
 pertain to |
    how the |
  NADAC was |
 calculated |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,386       63.86       63.86
       1, 5 |        975        9.75       73.61
    1, 5, 6 |         96        0.96       74.57
       1, 6 |        378        3.78       78.35
          2 |        443        4.43       82.78
       2, 5 |        215        2.15       84.93
    2, 5, 6 |         42        0.42       85.35
       2, 6 |         78        0.78       86.13
          3 |         35        0.35       86.48
       3, 5 |          5        0.05       86.53
       3, 6 |          9        0.09       86.62
          4 |        852        8.52       95.14
       4, 5 |        350        3.50       98.64
    4, 5, 6 |         51        0.51       99.15
       4, 6 |         85        0.85      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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