Q10. During the past 30 days, how many times
           did you ride in a car or other vehicle driven
             by someone who had been drinking alcohol?
                    (Weighted Column Percents)
 ----------------------------------------------------------------
                           Total               Grade
                                  -------------------------------
                                    9th    10th    11th    12th
 ----------------------------------------------------------------
 0 times                     70.0    70.9    70.2    70.5    67.7
 1 time                      10.2     9.7    10.3    10.0    11.1
 2 or 3 times                10.2     9.4    10.4    10.4    11.0
 4 or 5 times                 2.7     2.2     2.6     3.0     2.9
 6 or more times              3.9     3.8     3.4     3.7     4.8
 Not sure                     3.0     3.9     3.1     2.3     2.4
 Female
   0 times                   69.6    68.5    68.5    70.9    71.1
   1 time                    11.5    11.4    12.2    10.2    12.5
   2 or 3 times              10.8    10.5    11.4    11.2     9.7
   4 or 5 times               2.6     2.6     2.3     3.0     2.5
   6 or more times            2.9     3.3     2.9     2.8     2.5
   Not sure                   2.7     3.8     2.7     1.9     1.7
 Male
   0 times                   70.4    73.3    71.8    70.2    64.3
   1 time                     8.9     8.0     8.5     9.7     9.7
   2 or 3 times               9.7     8.3     9.4     9.6    12.4
   4 or 5 times               2.7     1.9     2.9     3.1     3.2
   6 or more times            4.9     4.4     3.9     4.7     7.1
   Not sure                   3.4     4.1     3.4     2.7     3.2
 ----------------------------------------------------------------
                            Total N =
                              32,228

 
           Q10. During the past 30 days, how many times
           did you ride in a car or other vehicle driven
             by someone who had been drinking alcohol?
                     (Unweighted Frequencies)
 ----------------------------------------------------------------
                           Total               Grade
                                  -------------------------------
                                    9th    10th    11th    12th
 ----------------------------------------------------------------
 0 times                   22,383   6,780   6,166   5,176   4,261
 1 time                     3,285     942     909     755     679
 2 or 3 times               3,321     927     946     755     693
 4 or 5 times                 884     237     234     222     191
 6 or more times            1,313     380     330     295     308
 Not sure                   1,042     397     302     185     158
 Female
   0 times                 11,309   3,329   3,039   2,687   2,254
   1 time                   1,879     564     518     405     392
   2 or 3 times             1,751     521     509     404     317
   4 or 5 times               448     139     110     113      86
   6 or more times            508     163     139     119      87
   Not sure                   462     188     136      80      58
 Male
   0 times                 11,074   3,451   3,127   2,489   2,007
   1 time                   1,406     378     391     350     287
   2 or 3 times             1,570     406     437     351     376
   4 or 5 times               436      98     124     109     105
   6 or more times            805     217     191     176     221
   Not sure                   580     209     166     105     100
 ----------------------------------------------------------------
                            Total N =
                              32,228