ECU Libraries Catalog
- 1985 to 1986 46,561
- 1987 to 1989 74,018
- 1990 to 1991 54,792
- 1992 to 1994 98,275
- 1995 to 1996 73,434
- 1997 to 1999 121,734
- 2000 to 2001 83,455
- 2002 to 2004 138,358
- 2005 to 2006 107,461
- 2007 to 2009 146,929
- 2010 to 2011 102,209
- 2012 to 2013 98,783