Table 1.2. Admissions aged 12 and older, by alcohol/drug co-abuse: 2000-2010 Number and percent distribution
[Based on administrative data reported to TEDS by all reporting States and jurisdictions.]
Alcohol/drug co-abuse	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010
	Number
Total	1,749,726	1,767,833	1,886,241	1,862,274	1,807,579	1,893,793	1,909,535	1,915,996	2,013,425	1,992,119	1,820,737
Drug primary	897,454	938,969	1,017,370	1,036,665	1,028,428	1,104,869	1,108,769	1,093,176	1,143,955	1,133,244	1,055,276
Drug only	517,822	550,803	601,218	628,914	633,821	695,755	712,056	705,655	753,737	756,410	712,654
Drug w/secondary alcohol	379,632	388,166	416,152	407,751	394,607	409,114	396,713	387,521	390,218	376,834	342,622
Alcohol primary	810,927	784,153	811,423	775,140	729,005	744,943	761,544	783,810	834,568	829,249	744,087
Alcohol only	453,232	430,394	447,424	430,865	402,796	411,631	423,265	438,043	471,434	466,996	411,388
Alcohol w/secondary drug	357,695	353,759	363,999	344,275	326,209	333,312	338,279	345,767	363,134	362,253	332,699
No primary substance reported	41,345	44,711	57,448	50,469	50,146	43,981	39,222	39,010	34,902	29,626	21,374
	Percent distribution
Total	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0
Drug primary	51.3	53.1	53.9	55.7	56.9	58.3	58.1	57.1	56.8	56.9	58.0
Drug only	29.6	31.2	31.9	33.8	35.1	36.7	37.3	36.8	37.4	38.0	39.1
Drug w/secondary alcohol	21.7	22.0	22.1	21.9	21.8	21.6	20.8	20.2	19.4	18.9	18.8
Alcohol primary	46.3	44.4	43.0	41.6	40.3	39.3	39.9	40.9	41.5	41.6	40.9
Alcohol only	25.9	24.3	23.7	23.1	22.3	21.7	22.2	22.9	23.4	23.4	22.6
Alcohol w/secondary drug	20.4	20.0	19.3	18.5	18.0	17.6	17.7	18.0	18.0	18.2	18.3
No primary substance reported	2.4	2.5	3.0	2.7	2.8	2.3	2.1	2.0	1.7	1.5	1.2
SOURCE: Center for Behavioral Health Statistics and Quality, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS). Data received through 10.10.11.