File:Regular marijuana and cigarette use by 12th graders in the USA in the last 30 days. By year.gif
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Summary
| Description |
English: Regular marijuana and cigarette use by 12th graders in the USA in the last 30 days. By year. Green line is for marijuana. Dark blue/purple line is for cigarettes. Stats source is linked from charts index for The Monitoring the Future (MTF) study, also known as the National High School Senior Survey. From footnotes: "Daily use is defined as use on 20 or more occasions in the past 30 days except for cigarettes and smokeless tobacco, for which actual daily use is measured." Smokeless tobacco is not measured in this chart. This particular footnote is for more than one chart. Miech, R. A., Schulenberg, J. E., Johnston, L. D., Bachman, J. G., O'Malley, P. M., & Patrick, M. E. (December 17, 2018). "National Adolescent Drug Trends in 2018." Monitoring the Future: Ann Arbor, MI. |
| Date | - date of first upload to the Commons. See file history for later uploads. |
| Source | Image. Used in this article: Want to know more? Some FAQs about Marijuana. National Institute on Drug Abuse. |
| Author | National Institute on Drug Abuse. Chart was cropped, and text was added, by User:Timeshifter with freeware IrfanView. |
Licensing
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This image is a work of the United States Department of Health and Human Services, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain. | 
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:53, 28 March 2019 | | 622 × 500 (77 KB) | Timeshifter | Headings in better order. |
| 17:43, 28 March 2019 |  | 622 × 502 (77 KB) | Timeshifter | "USA" added to chart. | |
| 16:53, 28 March 2019 |  | 622 × 501 (77 KB) | Timeshifter | User created page with UploadWizard |
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