Frequencies for first 10,000 rows of attend variable in natl2010 dataset :

  Attendant |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,880       68.80       68.80
          2 |        287        2.87       71.67
          3 |      1,625       16.25       87.92
          4 |      1,077       10.77       98.69
          5 |        129        1.29       99.98
          9 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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