Table 5.4 Admissions aged 12-17 by alcohol/marijuana involvement: TEDS 1997-2007 Number and percent distribution
[Based on administrative data reported to TEDS by all reporting States and jurisdictions. See Table 4.2a.]
Alcohol/marijuana involvement¹	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007
	Number
Total admissions aged 12-17	131,194	139,129	137,596	137,838	145,857	158,225	156,786	146,270	143,605	140,876	132,034
Both alcohol and marijuana	67,068	70,102	71,488	69,697	70,042	72,759	69,278	63,057	61,576	61,612	58,261
Primary alcohol, no marijuana	12,255	11,972	11,819	11,414	11,651	11,597	11,297	11,198	10,778	11,858	11,708
Primary marijuana, no alcohol	26,694	28,174	30,356	34,045	38,409	43,911	45,789	44,352	46,170	44,809	42,719
Other drugs and drug combinations	12,737	13,234	13,151	12,945	14,125	14,258	15,142	17,538	17,131	15,000	12,748
No substance reported	7,164	5,561	5,182	5,412	7,023	10,803	9,799	5,817	3,601	4,729	4,573
No. of admissions	125,918	129,043	131,996	133,513	141,250	153,328	151,305	141,962	139,256	138,008	130,009
	Percent distribution
Both alcohol and marijuana	53.3	54.3	54.2	52.2	49.6	47.5	45.8	44.4	44.2	44.6	44.8
Primary alcohol, no marijuana	9.7	9.3	9.0	8.5	8.2	7.6	7.5	7.9	7.7	8.6	9.0
Primary marijuana, no alcohol	21.2	21.8	23.0	25.5	27.2	28.6	30.3	31.2	33.2	32.5	32.9
Other drugs and drug combinations	10.1	10.3	10.0	9.7	10.0	9.3	10.0	12.4	12.3	10.9	9.8
No substance reported	5.7	4.3	3.9	4.1	5.0	7.0	6.5	4.1	2.6	3.4	3.5
Total	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0
¹ Admissions reporting alcohol or marijuana as a primary, secondary, or tertiary substance were considered to be alcohol/marijuana-involved.
SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS). Data received through 10.6.08.