Table 5.5a Heroin admissions by route of administration and planned use of methadone: TEDS 1992-2002 Number
[Based on administrative data reported to TEDS by all reporting States and jurisdictions. See Table 4.2.]
Route of heroin administration and planned use of methadone	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002
Total heroin admissions	170,370	195,865	216,452	227,989	224,366	235,143	247,069	257,340	273,446	277,911	285,667
Route of administration
Injection	125,143	136,974	149,205	147,602	145,148	146,728	149,136	156,441	161,240	159,680	164,217
Inhalation	32,265	42,481	48,722	58,540	57,521	63,974	69,399	71,115	80,529	86,045	87,373
Smoking	2,362	3,111	4,002	4,673	5,145	5,976	6,138	7,094	7,266	6,591	6,537
Oral	2,056	2,046	2,283	2,460	2,413	2,666	3,121	3,333	4,265	4,963	4,896
Other	1,143	1,053	976	1,030	1,253	1,512	1,848	2,314	2,177	2,264	2,410
No. of admissions	162,969	185,665	205,188	214,305	211,480	220,856	229,642	240,297	255,477	259,543	265,433
Methadone use planned as part of treatment, by route of administration
Injection	76,569	81,861	89,439	79,632	72,674	65,712	66,168	67,903	67,160	62,998	62,679
Inhalation	14,276	17,817	19,480	16,672	13,079	14,598	22,357	20,946	23,454	26,505	28,060
Smoking	1,012	1,387	1,994	2,287	2,522	2,834	2,893	3,439	3,340	2,516	2,497
Oral	356	371	495	414	467	445	558	545	641	768	860
Other	546	427	442	411	498	552	656	843	595	677	789
Any route of administration	92,759	101,863	111,850	99,416	89,240	84,141	92,632	93,676	95,190	93,464	94,885
SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS) - 3.01.04.