Frequencies for first 10,000 rows of attend variable in natl2006 dataset :

  Attendant |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,343       73.43       73.43
          2 |         88        0.88       74.31
          3 |      1,209       12.09       86.40
          4 |      1,030       10.30       96.70
          5 |        196        1.96       98.66
          9 |        134        1.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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