Table 1 Substance use frequency in the last month
|  | Never used | Used, but not in last 30 days | 1–9 days | 10–19 days | 20–29 days | Used every day |
|---|---|---|---|---|---|---|
Marijuana | 42% | 22% | 15% | 5% | 5% | 10% |
Cigarettes | 68% | 11% | 7% | 2% | 3% | 10% |
E-cigarettes | 87% | 9% | 3% | <  1% | <  1% | 1% |
Tobacco pipe or hookah | 67% | 20% | 10% | 1% | 1% | <  1% |