1. Estimated number of medical marijuana patients in the city of San Francisco: 50,000 (Source: SF Weekly).
2. Number of medical marijuana dispensaries that shut down since October as a result of the federal crackdown: 5 (Source: San Francisco Examiner).
3. Number of new medical marijuana dispensaries that received approval to operate by the San Francisco Planning Commission in March: 3 (Source: San Francisco Examiner).
4. Estimated percentage drop in tax revenue from the medical cannabis industry to the city of Sacramento as a result of the federal crackdown: 50 (Source: Dale Gieringer, CAL NORML).
5. Number of people who, in 1971, participated in the first known 420 Day celebration, held in 1971 in San Rafael: 5 (Source: Huffington Post).
6. Number of people who participated in the 420 Day observance on April 20, 2010 at Queen’s Park Circle in Toronto, Canada: 30,000-plus (Source: CNews.com).
7. Estimated percentage of Montana residents who are medical marijuana patients: 3 (Source: NORML).
8. Estimated number of Montana residents who are medical marijuana patients: 29,948 (Source: NORML).
9. Number of U.S. deaths in 2010 from adverse reactions to FDA-approved drugs: 82,724 (Source: U.S. Food and Drug Administration).
10. Total number of U.S. deaths from 2001 to 2005 as a result of adverse reactions to FDA-approved drugs: 162,508 (Source: FDA).
11. Total number of U.S. deaths from 2006 to 2010 as a result of adverse reactions to FDA-approved drugs: 270,827 (Source: FDA).
12. Percentage increase in the number of U.S. deaths from adverse reactions to FDA-approved drugs from 2001 to 2010: 66.7 (Source: FDA).
13. Estimated number of prescription drug-related emergency room visits in the U.S. in 2009: 1.2 million (Source: Centers for Disease Control).
14. Percentage increase in the number of prescription drug-related ER visits in the U.S. from 2004 to 2009: 98.4 (Source: Centers for Disease Control).
15. Number of state marijuana arrests for every one federal marijuana arrest in the U.S.: 99 (Source: U.S. Sentencing Commission).
