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

    ALCOHOL |
DETERMINATI |
         ON |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        584        5.84        5.84
          2 |         74        0.74        6.58
          3 |         43        0.43        7.01
          4 |          1        0.01        7.02
          5 |        593        5.93       12.95
          8 |        113        1.13       14.08
          9 |      8,592       85.92      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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