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

    ALCOHOL |
DETERMINATI |
         ON |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        610        6.10        6.10
          2 |         52        0.52        6.62
          3 |         73        0.73        7.35
          4 |          5        0.05        7.40
          5 |        684        6.84       14.24
          8 |        139        1.39       15.63
          9 |      8,437       84.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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