Q54. During your life, how many times
                     have you used marijuana?
                     Weighted Column Percents
 ----------------------------------------------------------------
                           Total               Grade
                                  -------------------------------
                                    9th    10th    11th    12th
 ----------------------------------------------------------------
 0 times                     56.5    63.1    54.7    53.2    53.0
 1 or 2 times                 7.9     7.7     8.0     7.6     8.3
 3 to 9 times                 8.6     7.8     8.9     9.1     8.7
 10 to 19 times               5.3     4.5     5.5     6.0     5.4
 20 to 39 times               5.4     5.0     5.6     5.7     5.3
 40 to 99 times               5.4     4.2     5.8     6.3     5.6
 100 or more times           11.0     7.8    11.5    12.3    13.7
 Female
   0 times                   58.2    64.2    56.8    54.2    55.9
   1 or 2 times               8.2     8.4     7.9     8.3     8.3
   3 to 9 times               9.0     7.7     9.5     9.6     9.7
   10 to 19 times             5.5     4.4     5.9     6.3     5.8
   20 to 39 times             5.4     4.8     5.8     6.0     4.9
   40 to 99 times             5.4     4.2     5.5     6.3     5.9
   100 or more times          8.2     6.3     8.6     9.3     9.5
 Male
   0 times                   54.8    62.0    52.6    52.1    50.2
   1 or 2 times               7.6     7.0     8.2     6.8     8.3
   3 to 9 times               8.1     7.8     8.4     8.6     7.7
   10 to 19 times             5.0     4.5     5.0     5.6     4.9
   20 to 39 times             5.4     5.1     5.4     5.3     5.8
   40 to 99 times             5.4     4.2     6.0     6.2     5.3
   100 or more times         13.8     9.4    14.4    15.4    17.9
 ----------------------------------------------------------------
                            Total N =
                              31,901

 
               Q54. During your life, how many times
                     have you used marijuana?
                      Unweighted Frequencies
 ----------------------------------------------------------------
                           Total               Grade
                                  -------------------------------
                                    9th    10th    11th    12th
 ----------------------------------------------------------------
 0 times                   17,809   5,919   4,790   3,858   3,242
 1 or 2 times               2,579     770     705     591     513
 3 to 9 times               2,731     747     759     673     552
 10 to 19 times             1,688     425     496     421     346
 20 to 39 times             1,722     463     498     422     339
 40 to 99 times             1,758     424     505     449     380
 100 or more times          3,614     796   1,041     913     864
 Female
   0 times                  9,306   3,060   2,490   2,027   1,729
   1 or 2 times             1,374     412     364     335     263
   3 to 9 times             1,495     400     403     371     321
   10 to 19 times             887     212     261     225     189
   20 to 39 times             892     243     251     237     161
   40 to 99 times             893     210     252     233     198
   100 or more times        1,390     323     392     358     317
 Male
   0 times                  8,503   2,859   2,300   1,831   1,513
   1 or 2 times             1,205     358     341     256     250
   3 to 9 times             1,236     347     356     302     231
   10 to 19 times             801     213     235     196     157
   20 to 39 times             830     220     247     185     178
   40 to 99 times             865     214     253     216     182
   100 or more times        2,224     473     649     555     547
 ----------------------------------------------------------------
                            Total N =
                              31,901