| Value | Category | Cases | |
|---|---|---|---|
| 1 | INJECT | 2 |
1.4%
|
| 2 | SMOKE (AS IN CIGARETTE) | 12 |
8.4%
|
| 3 | EAT/DRINK | 40 |
28%
|
| 4 | SNIFF | 1 |
0.7%
|
| 5 | TINTOIL/CHASING | 1 |
0.7%
|
| 9 | DON'T KNOW | 87 |
60.8%
|
| Sysmiss | 9209 |