The webapp provides for each item the link on ECB's website.
Speeches for : Willem F. Duisenberg where "percentage" appeared
2001-10-16 : The ECB's quantitative definition of price stability and its comparison with such definitions or inflation targets applied in other large economic areas2000-03-30 : Introductory statement with Q&A
2000-03-02 : Introductory statement with Q&A
1999-03-04 : Introductory statement with Q&A