ECU Libraries Catalog
- 2007 to 2007 49,486
- 2008 to 2008 52,446
- 2009 to 2009 49,367
- 2010 to 2010 51,727
- 2011 to 2011 50,294
- 2012 to 2012 48,731
- 2013 to 2013 49,659
- 2014 to 2014 46,937
- 2015 to 2015 43,306
- 2016 to 2016 40,402
- 2017 to 2017 36,185
- 2018 to 2018 38,719