Frequencies for first 10,000 rows of attend variable in natlterr2012 dataset :

  Attendant |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,145       81.45       81.45
          2 |        260        2.60       84.05
          3 |        673        6.73       90.78
          4 |          2        0.02       90.80
          5 |        561        5.61       96.41
          9 |        359        3.59      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 5 May 2016