| Value | Category | Cases | |
|---|---|---|---|
| 10 | 2 |
0.2%
|
|
| 11 | 4 |
0.4%
|
|
| 12 | 8 |
0.8%
|
|
| 13 | 22 |
2.1%
|
|
| 14 | 47 |
4.5%
|
|
| 15 | 73 |
7%
|
|
| 16 | 109 |
10.5%
|
|
| 17 | 105 |
10.1%
|
|
| 18 | 161 |
15.5%
|
|
| 19 | 76 |
7.3%
|
|
| 20 | 79 |
7.6%
|
|
| 21 | 58 |
5.6%
|
|
| 22 | 47 |
4.5%
|
|
| 23 | 30 |
2.9%
|
|
| 24 | 21 |
2%
|
|
| 25 | 50 |
4.8%
|
|
| 26 | 10 |
1%
|
|
| 27 | 12 |
1.2%
|
|
| 28 | 15 |
1.4%
|
|
| 29 | 8 |
0.8%
|
|
| 30 | 18 |
1.7%
|
|
| 31 | 5 |
0.5%
|
|
| 32 | 2 |
0.2%
|
|
| 34 | 2 |
0.2%
|
|
| 35 | 14 |
1.3%
|
|
| 36 | 2 |
0.2%
|
|
| 37 | 3 |
0.3%
|
|
| 38 | 5 |
0.5%
|
|
| 39 | 1 |
0.1%
|
|
| 40 | 4 |
0.4%
|
|
| 42 | 1 |
0.1%
|
|
| 43 | 2 |
0.2%
|
|
| 44 | 1 |
0.1%
|
|
| 45 | 1 |
0.1%
|
|
| 48 | 1 |
0.1%
|
|
| 50 | 5 |
0.5%
|
|
| 58 | 1 |
0.1%
|
|
| 65 | 1 |
0.1%
|
|
| 7 | 1 |
0.1%
|
|
| 70 | 1 |
0.1%
|
|
| 8 | 3 |
0.3%
|
|
| 9 | 2 |
0.2%
|
|
| I have never tried marijuana | 4 |
0.4%
|
|
| None of these | 25 |
2.4%
|