Q1-3. How old are you? What is your sex?
                        In what grade are you?
                      (Weighted Column Percents)
 ----------------------------------------------------------------
                           Total               Grade
                                  -------------------------------
                                    9th    10th    11th    12th
 ----------------------------------------------------------------
 12 years old or younger       .0      .0      .0      .0      .0
 13 years old                  .1      .4      .0      .0      .0
 14 years old                11.5    38.5      .4      .0      .0
 15 years old                29.0    56.4    42.9      .7      .1
 16 years old                27.5     4.4    52.6    48.5     1.4
 17 years old                22.2      .2     3.9    46.9    53.4
 18 years old or older        9.7      .1      .1     3.9    45.1
 Female
   12 years old or
      younger                  .0      .0      .0      .0      .0
   13 years old                .1      .4      .0      .0      .0
   14 years old              13.1    43.5      .6      .0      .0
   15 years old              29.3    52.8    48.0      .9      .1
   16 years old              27.4     3.0    48.7    54.8     1.7
   17 years old              22.1      .1     2.6    42.1    59.9
   18 years old or older      8.0      .1      .1     2.2    38.3
 Male
   12 years old or
      younger                  .0      .0      .0      .0      .0
   13 years old                .1      .4      .0      .1      .0
   14 years old               9.8    33.3      .3      .0      .0
   15 years old              28.7    60.2    37.9      .5      .2
   16 years old              27.6     5.8    56.4    42.0     1.2
   17 years old              22.3      .2     5.2    51.8    46.7
   18 years old or older     11.5      .1      .2     5.7    51.9
 ----------------------------------------------------------------
                            Total N =
                              32,310

 
                Q1-3. How old are you? What is your sex?
                        In what grade are you?
                       (Unweighted Frequencies)
 ----------------------------------------------------------------
                           Total               Grade
                                  -------------------------------
                                    9th    10th    11th    12th
 ----------------------------------------------------------------
 12 years old or younger        6       2       1       0       3
 13 years old                  36      33       2       1       0
 14 years old               3,669   3,634      34       0       1
 15 years old               9,265   5,496   3,709      52       8
 16 years old               8,850     483   4,768   3,509      90
 17 years old               7,189      20     386   3,528   3,255
 18 years old or older      3,295      15      19     315   2,946
 Female
   12 years old or
      younger                   4       2       0       0       2
   13 years old                19      19       0       0       0
   14 years old             2,108   2,086      22       0       0
   15 years old             4,729   2,608   2,084      36       1
   16 years old             4,494     180   2,218   2,042      54
   17 years old             3,650       9     136   1,639   1,866
   18 years old or older    1,388       6       7      98   1,277
 Male
   12 years old or
      younger                   2       0       1       0       1
   13 years old                17      14       2       1       0
   14 years old             1,561   1,548      12       0       1
   15 years old             4,536   2,888   1,625      16       7
   16 years old             4,356     303   2,550   1,467      36
   17 years old             3,539      11     250   1,889   1,389
   18 years old or older    1,907       9      12     217   1,669
 ----------------------------------------------------------------
                            Total N =
                              32,310