This bar graph shows the route of administration among heroin treatment admissions in selected areas.. The data for each category follows:

Inhaled:

• Percentage of participants from Atlanta:: 20 percent
• Percentage of participants from L.A.: 5 percent
• Percentage of participants from Miami/South Florida: 40 percent
• Percentage of participants from Minneapolis/St. Paul: 45 percent
• Percentage of participants from New York City: 60 percent
• Percentage of participants from San Francisco: 15 percent

Injected:

• Percentage of participants from Atlanta:: 60 percent
• Percentage of participants from L.A.: 85 percent
• Percentage of participants from Miami/South Florida: 15 percent
• Percentage of participants from Minneapolis/St. Paul: 50 percent
• Percentage of participants from New York City: 35 percent
• Percentage of participants from San Francisco: 80 percent

Source: Community Epidemiology Work Group, NIDA, December 2003, Vol. II.