The webapp provides for each item the link on ECB's website.
Speeches for : Lucas Papademos, Jean-Claude Trichet where "average" appeared
2008-09-04 : Introductory statement with Q&A2006-11-02 : Introductory statement with Q&A
2006-06-08 : Introductory statement with Q&A
2005-10-06 : Introductory statement with Q&A
2005-03-03 : Introductory statement with Q&A