| Value | Category | Cases | |
|---|---|---|---|
| 1 | INJECT | 270 |
9.1%
|
| 2 | SMOKE (AS IN CIGARETTE) | 41 |
1.4%
|
| 3 | EAT/DRINK | 2529 |
85.1%
|
| 4 | SNIFF | 15 |
0.5%
|
| 5 | TINTOIL/CHASING | 13 |
0.4%
|
| 9 | DON'T KNOW | 103 |
3.5%
|
| Sysmiss | 6381 |