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NATIONAL INSTITUTE ON DRUG ABUSE EPIDEMIOLOGIC ...

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78<br />

<strong>EPIDEMIOLOGIC</strong> TRENDS IN <strong>DRUG</strong> <strong>ABUSE</strong>—Denver and Colorado<br />

Exhibit 6 Annual Percentages of Heroin, Methamphetamine, Cocaine, and Marijuana Users Entering<br />

Treatment Within 3 Years of Initial Use: 1997–2004<br />

Drug 1997 1998 1999 2000 2001 2002 2003 2004 1<br />

Heroin/Other Opiates N 214 314 342 340 283 267 255 188<br />

(%) (17.9) (22.3) (21.7) (21.6) (19.1) (18.9) (15.5) (17.2)<br />

Methamphetamine N 362 472 308 311 367 475 676 790<br />

(%) (33.6) (33.0) (25.5) (23.7) (22.1) (23.0) (24.6) (23.9)<br />

Cocaine N 310 423 390 374 348 394 438 472<br />

(%) (17.3) (18.4) (18.6) (19.5) (18.4) (18.0) (18.8) (18.1)<br />

Marijuana N 1,326 1,584 1,434 1,552 1,505 1,403 1,464 1,654<br />

(%) (42.4) (39.1) (35.9) (37.7) (35.7) (32.3) (35.2) (33.2)<br />

Total New Users in N 2,212 2,793 2,474 2,577 2,503 2,539 2,833 3,104<br />

Treatment in 3 Years (%) (30.8) (30.4) (27.9) (28.9) (27.1) (25.3) (26.1) (25.9)<br />

Total Users N 7,190 9,188 8,880 8,915 9,241 10,016 10,871 11,992<br />

1 First 6 months annualized.<br />

SOURCE: DACODS, ADAD<br />

Exhibit 7. Average Number of Years Between First Use of Selected Drugs and Treatment Entry: FY 2004<br />

SOURCE: DACODS, ADAD<br />

Drug Years<br />

Marijuana 7.0<br />

Methamphetamine 8.5<br />

Cocaine/Crack 10.0<br />

Other Opiates 11.0<br />

Heroin 13.0<br />

Alcohol 16.0<br />

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

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