Frequencies for first 10,000 rows of alc_det variable in person dataset :

    ALCOHOL |
DETERMINATI |
         ON |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        299        2.99        2.99
          2 |        122        1.22        4.21
          3 |         45        0.45        4.66
          4 |          1        0.01        4.67
          5 |        466        4.66        9.33
          8 |        101        1.01       10.34
          9 |      8,966       89.66      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016