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

    ALCOHOL |
DETERMINATI |
         ON |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        512        5.12        5.12
          2 |         35        0.35        5.47
          3 |         68        0.68        6.15
          4 |         11        0.11        6.26
          5 |        511        5.11       11.37
          8 |        151        1.51       12.88
          9 |      8,712       87.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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