| Value | Category | Cases | |
|---|---|---|---|
| 1 | INJECT | 2 |
1.1%
|
| 2 | SMOKE (AS IN CIGARETTE) | 16 |
9%
|
| 3 | EAT/DRINK | 53 |
29.9%
|
| 4 | SNIFF | 15 |
8.5%
|
| 5 | TINTOIL/CHASING | 0 |
0%
|
| 9 | DON'T KNOW | 91 |
51.4%
|
| Sysmiss | 9175 |