Table 2.2 Admissions by alcohol/drug co-abuse: TEDS 1995-2005 Number and percent distribution
[Based on administrative data reported to TEDS by all reporting States and jurisdictions. See Table 4.2a.]
Alcohol/drug co-abuse	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005
	Number
Total	1,680,697	1,643,731	1,607,957	1,712,268	1,725,885	1,797,981	1,821,054	1,936,711	1,897,164	1,885,930	1,849,548
Drug primary	778,159	770,201	773,135	834,622	854,663	921,090	965,081	1,041,798	1,055,117	1,072,155	1,069,195
Drug only	412,019	403,986	413,056	452,759	473,270	530,258	565,286	615,949	638,783	659,631	669,613
Drug w/secondary alcohol	366,140	366,215	360,079	381,863	381,393	390,832	399,795	425,849	416,334	412,524	399,582
Alcohol primary	858,287	832,844	796,674	828,252	824,641	831,389	807,139	830,074	788,434	756,629	723,646
Alcohol only	494,212	473,536	445,699	462,692	461,532	463,146	442,474	457,276	437,672	417,883	398,656
Alcohol w/secondary drug	364,075	359,308	350,975	365,560	363,109	368,243	364,665	372,798	350,762	338,746	324,990
No primary substance reported	44,251	40,686	38,148	49,394	46,581	45,502	48,834	64,839	53,613	57,146	56,707
	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	46.3	46.9	48.1	48.7	49.5	51.2	53.0	53.8	55.6	56.9	57.8
Drug only	24.5	24.6	25.7	26.4	27.4	29.5	31.0	31.8	33.7	35.0	36.2
Drug w/secondary alcohol	21.8	22.3	22.4	22.3	22.1	21.7	22.0	22.0	21.9	21.9	21.6
Alcohol primary	51.1	50.7	49.5	48.4	47.8	46.2	44.3	42.9	41.6	40.1	39.1
Alcohol only	29.4	28.8	27.7	27.0	26.7	25.8	24.3	23.6	23.1	22.2	21.6
Alcohol w/secondary drug	21.7	21.9	21.8	21.3	21.0	20.5	20.0	19.2	18.5	18.0	17.6
No primary substance reported	2.6	2.5	2.4	2.9	2.7	2.5	2.7	3.3	2.8	3.0	3.1
SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS). Data received through 10.3.06.