ECU Libraries Catalog
- 1957 to 1959 19,502
- 1960 to 1964 46,303
- 1965 to 1969 63,082
- 1970 to 1974 78,513
- 1975 to 1979 95,046
- 1980 to 1984 92,143
- 1985 to 1989 120,582
- 1990 to 1994 153,070
- 1995 to 1999 195,171
- 2000 to 2004 221,818
- 2005 to 2009 254,399
- 2010 to 2011 102,210