| Value | Category | Cases | |
|---|---|---|---|
| 1 | INJECT | 14 |
0.3%
|
| 2 | SMOKE (AS IN CIGARETTE) | 88 |
2.1%
|
| 3 | EAT/DRINK | 4127 |
96.4%
|
| 4 | SNIFF | 13 |
0.3%
|
| 5 | TINTOIL/CHASING | 14 |
0.3%
|
| 9 | DON'T KNOW | 27 |
0.6%
|
| Sysmiss | 5069 |