Table 3.4. Admissions aged 12 to 17, by marijuana involvement and treatment referral source: 1999-2009 Percent distribution
[Based on administrative data reported to TEDS by all reporting States and jurisdictions.]
Marijuana involvement¹ and treatment referral source	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009
Total admissions aged 12-17	137,596	137,769	145,369	157,744	156,976	146,418	145,196	143,111	141,781	152,204	149,277
Marijuana-involved admissions	82.5	82.9	82.3	81.9	82.0	82.3	84.5	84.0	82.8	84.1	85.9
Criminal justice referral	43.2	43.3	44.1	44.7	44.2	43.3	45.0	44.1	41.9	43.1	43.3
Both alcohol and marijuana	29.7	28.4	27.9	27.0	25.7	24.3	24.5	24.3	23.0	22.7	21.9
Primary marijuana, no alcohol	12.3	13.6	14.8	16.2	17.0	17.3	18.6	18.1	17.6	19.4	20.4
Marijuana not primary, no alcohol	1.2	1.3	1.4	1.4	1.4	1.7	1.8	1.7	1.4	1.1	1.0
Other referral source	39.3	39.6	38.1	37.2	37.7	39.0	39.6	39.8	40.9	41.0	42.5
Both alcohol and marijuana	27.0	26.2	24.2	23.2	22.6	22.9	22.3	22.6	23.2	22.4	22.4
Primary marijuana, no alcohol	10.7	11.9	12.3	12.5	13.3	14.0	14.7	14.8	15.7	16.8	18.3
Marijuana not primary, no alcohol	1.6	1.5	1.6	1.5	1.8	2.1	2.6	2.3	2.0	1.7	1.9
All other admissions	17.5	17.1	17.7	18.1	18.0	17.7	15.5	16.0	17.2	15.9	14.1
Criminal justice referral	8.1	7.4	7.7	8.6	8.3	6.9	6.6	6.6	6.9	5.7	5.4
Primary alcohol, no marijuana	4.8	4.5	4.1	3.9	3.7	3.6	3.5	3.9	4.1	3.4	3.2
Other drugs and drug combinations²	1.6	1.6	1.7	1.5	1.6	1.9	1.9	1.7	1.5	1.2	1.3
No substance reported	1.6	1.4	1.9	3.3	3.0	1.4	1.1	1.1	1.3	1.1	0.9
Other referral source	9.4	9.7	10.0	9.5	9.8	10.8	8.9	9.4	10.3	10.2	8.7
Primary alcohol, no marijuana	4.1	4.1	4.1	3.7	3.8	4.3	4.2	4.9	5.2	5.2	4.7
Other drugs and drug combinations²	3.0	3.0	2.9	2.2	2.5	3.7	3.1	3.2	3.3	3.1	2.5
No substance reported	2.3	2.7	2.9	3.6	3.5	2.8	1.5	1.4	1.8	1.9	1.5
Total	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0
No. of admissions	131,996	133,444	140,761	152,848	151,500	142,144	140,821	140,256	139,686	149,407	147,002
¹ Admissions reporting marijuana as a primary, secondary, or tertiary substance were considered to be marijuana-involved.
²Drug combinations includes combinations of alcohol and drugs.
SOURCE: Center for Behavioral Health Statistics and Quality, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS). Data received through 11.03.10.