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

    ALCOHOL |
DETERMINATI |
         ON |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        514        5.14        5.14
          2 |         70        0.70        5.84
          3 |         58        0.58        6.42
          4 |          8        0.08        6.50
          5 |        381        3.81       10.31
          8 |        143        1.43       11.74
          9 |      8,826       88.26      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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