Table 5.4a Heroin admissions by route of administration and planned use of methadone: TEDS 1992-2001 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
Total heroin admissions	168,321	192,816	212,311	220,972	216,810	235,143	246,655	257,264	272,452	275,672
Route of administration
Injection	123,976	135,448	147,174	144,215	141,440	146,728	148,921	156,331	160,503	158,312
Inhalation	31,491	41,107	46,785	55,251	53,999	63,974	69,215	71,070	80,186	85,217
Smoking	2,318	3,034	3,918	4,506	4,966	5,976	6,127	7,095	7,248	6,527
Oral	2,013	1,992	2,213	2,309	2,284	2,666	3,118	3,410	4,375	5,045
Other	1,133	1,038	970	1,018	1,235	1,512	1,848	2,307	2,175	2,246
No. of admissions	160,931	182,619	201,060	207,299	203,924	220,856	229,229	240,213	254,487	257,347
Methadone use planned as part of treatment, by route of administration
Injection	77,011	82,472	90,102	79,769	72,674	65,712	65,967	67,698	66,651	62,142
Inhalation	14,780	18,493	20,336	16,848	13,079	14,598	22,182	20,847	23,207	25,981
Smoking	1,020	1,427	2,025	2,291	2,522	2,834	2,882	3,437	3,323	2,489
Oral	362	381	502	415	467	445	555	577	698	804
Other	549	442	447	411	498	552	656	842	596	672
Any route of administration	93,722	103,215	113,412	99,734	89,240	84,141	92,242	93,401	94,475	92,088
SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS) - 5.31.03.