Database Use By Database
DATABASE	2010	2009	2008
Tutor.com	1,514,119	1,351,510	963,207
Reference USA	814,050	1,863,758	1,417,880
Heritage Quest	767,965	853,567	864,618
Ebsco	591,790	821,351	941,545
LearnATest.com	245,382	172,403	3,300
Gale	129,498	120,731	182,072
OCLC FirstSearch	127,738	140,548	179,044
News Library News	106,552	128,606	141,163
Encyclopaedia Britannica	69,188	221,606	162,601
Sanborn Maps	35,035	40,398	51,699
Morningstar (BPL)	33,443	41,990	43,173
ALL	4,691,905	6,054,542	5,323,644