The webapp provides for each item the link on ECB's website.
Speeches for : Lucas Papademos, Jean-Claude Trichet where "billion" appeared
2009-08-06 : Introductory statement with Q&A2009-07-02 : Introductory statement with Q&A
2009-06-04 : Introductory statement with Q&A
2009-03-05 : Introductory statement with Q&A