Q56. During the past 30 days, how many times
               did you marijuana on school property?
                     Weighted Column Percents
 ----------------------------------------------------------------
                           Total               Grade
                                  -------------------------------
                                    9th    10th    11th    12th
 ----------------------------------------------------------------
 0 times                     93.1    92.8    92.3    93.9    93.8
 1 or 2 times                 3.2     3.5     3.6     2.7     2.5
 3 to 9 times                 1.8     1.8     1.8     1.8     1.8
 10 to 19 times               1.0      .8     1.2     1.1     1.1
 20 to 39 times                .5      .7      .6      .2      .4
 40 or more times              .4      .4      .5      .4      .5
 Female
   0 times                   95.1    94.2    94.3    95.5    97.0
   1 or 2 times               2.7     3.1     3.1     2.5     1.5
   3 to 9 times               1.2     1.5     1.2     1.2      .9
   10 to 19 times              .6      .6      .7      .7      .3
   20 to 39 times              .3      .4      .4      .1      .1
   40 or more times            .2      .2      .2      .1      .1
 Male
   0 times                   91.1    91.5    90.3    92.1    90.4
   1 or 2 times               3.7     4.0     4.1     2.9     3.5
   3 to 9 times               2.4     2.0     2.4     2.4     2.8
   10 to 19 times             1.5     1.0     1.7     1.5     1.9
   20 to 39 times              .7      .9      .8      .4      .7
   40 or more times            .7      .6      .8      .8      .8
 ----------------------------------------------------------------
                            Total N =
                              31,896

 
           Q56. During the past 30 days, how many times
               did you marijuana on school property?
                      Unweighted Frequencies
 ----------------------------------------------------------------
                           Total               Grade
                                  -------------------------------
                                    9th    10th    11th    12th
 ----------------------------------------------------------------
 0 times                   29,597   8,811   8,108   6,854   5,824
 1 or 2 times               1,030     350     322     194     164
 3 to 9 times                 609     175     174     146     114
 10 to 19 times               336      92     100      79      65
 20 to 39 times               172      67      51      24      30
 40 or more times             152      42      46      30      34
 Female
   0 times                 15,427   4,559   4,177   3,612   3,079
   1 or 2 times               438     159     134      93      52
   3 to 9 times               204      72      60      45      27
   10 to 19 times              98      35      26      29       8
   20 to 39 times              49      23      15       5       6
   40 or more times            29      10      10       4       5
 Male
   0 times                 14,170   4,252   3,931   3,242   2,745
   1 or 2 times               592     191     188     101     112
   3 to 9 times               405     103     114     101      87
   10 to 19 times             238      57      74      50      57
   20 to 39 times             123      44      36      19      24
   40 or more times           123      32      36      26      29
 ----------------------------------------------------------------
                            Total N =
                              31,896