The webapp provides for each item the link on ECB's website.
Speeches for : Jurgen Stark where "percent" appeared
2011-09-24 : The global financial crisis and the role of monetary policy2011-05-11 : The future of the international monetary system: Lessons from 1971 for Europe and the world in light of past and present experience
2010-10-20 : Contributions of central bank statistics in a global context
2008-01-16 : Knowns and unknowns about the creation of economic wealth in the euro area
2006-07-17 : Financial globalisation: Economic Policies in a New Era