Table 1.1 Survey forms accounting and response rates: N-SSATS 2009
			Number	Percent
Total facilities in survey			17,226	100.0
Closed/Ineligible			2,013	11.7
Eligible			15,213	88.3
Total eligible			15,213	100.0
Non-respondents			1,004	6.6
Respondents			14,209	93.4
Excluded from Report1			365	2.4
Roll-ups2			331	2.2
Included in Report			13,513
Mode of Response			13,513	100.0
Mail			3,887	28.8
Internet			7,802	57.7
Telephone			1,824	13.5
1 Facilities for which client counts were reported by another facility, and no facility information was received from the facility itself. 2 Facilities whose client counts were included in or “rolled into” other facilities’ counts and whose facility characteristics were not reported separately. SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, National Survey of Substance Abuse Treatment Services (N-SSATS), 2009.