| Value | Category | Cases | |
|---|---|---|---|
| 1 | INJECT | 39 |
6.7%
|
| 2 | SMOKE (AS IN CIGARETTE) | 201 |
34.3%
|
| 3 | EAT/DRINK | 330 |
56.3%
|
| 4 | SNIFF | 5 |
0.9%
|
| 5 | TINTOIL/CHASING | 6 |
1%
|
| 9 | DON'T KNOW | 5 |
0.9%
|
| Sysmiss | 8766 |