Frequencies for first 10,000 rows of attend variable in natlterr2007 dataset :

  Attendant |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,141       81.41       81.41
          2 |         20        0.20       81.61
          3 |      1,668       16.68       98.29
          4 |         10        0.10       98.39
          5 |        121        1.21       99.60
          9 |         40        0.40      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015