Frequencies for first 10,000 rows of attend variable in natl2003 dataset :

  Attendant |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,314       73.14       73.14
          2 |        149        1.49       74.63
          3 |      1,174       11.74       86.37
          4 |        881        8.81       95.18
          5 |        453        4.53       99.71
          9 |         29        0.29      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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