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NATIONAL INSTITUTE ON DRUG ABUSE EPIDEMIOLOGIC ...

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Percent<br />

60<br />

50<br />

40<br />

30<br />

20<br />

10<br />

0<br />

<strong>EPIDEMIOLOGIC</strong> TRENDS IN <strong>DRUG</strong> <strong>ABUSE</strong>—Chicago<br />

Exhibit 3. Percentages of ADAM Adult Male Arrestees Testing Positive in Chicago for Selected Drugs by<br />

Year: 2000–2003 1<br />

2000 2001 2002 2003<br />

Marijuana<br />

Cocaine<br />

Opiates<br />

1<br />

Data for 2000 are for the first through third quarters; data for 2001 are for the fourth quarter only; and data for 2003 are for the first<br />

three quarters.<br />

SOURCE: ADAM, NIJ<br />

Exhibit 4. Heroin Price and Purity Trends in Chicago, by Geographic Origin: 2000–2003<br />

2000 2001 2002 2003 4<br />

Trend<br />

SEA 1 SWA 2 SA 3 SEA SWA SA SEA SWA SA SWA SA<br />

Purity (%) 16.9 20.2 23.8 20.7 20.8 19.5 20.8 19.8 20.4 18.4 15.8<br />

Price Per Milligram<br />

Pure<br />

$1.16 $0.32 $0.48 $0.45 $0.41 $0.71 $0.71 $0.39 $0.43 $0.52 $0.46<br />

1 Southeast Asia.<br />

2 Southwest Asia.<br />

3 South America.<br />

4 SEA data are not available for 2003.<br />

SOURCE: DMP, DEA<br />

Proceedings of the Community Epidemiology Work Group, Vol. II, January 2005 63

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