Frequencies for first 10,000 rows of primaryreason variable in nadacc20160323 dataset :

    Primary |
     Reason |      Freq.     Percent        Cum.
------------+-----------------------------------
  Help Desk |          5        0.05        0.05
Survey Rate |      9,995       99.95      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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