ECU Libraries Catalog
- 1958 to 1959 13,222
- 1960 to 1964 46,303
- 1965 to 1969 63,081
- 1970 to 1974 78,513
- 1975 to 1979 95,045
- 1980 to 1984 92,143
- 1985 to 1989 120,579
- 1990 to 1994 153,067
- 1995 to 1999 195,168
- 2000 to 2004 221,813
- 2005 to 2009 254,390
- 2010 to 2014 248,186
- 2015 to 2017 120,289