Textfeld: Quelle: OECD Factbook 2005 The data have been taken from the OECD Factbook 2005 and therefore only refer to the there listed countries. The ranking list has been compiled in the best of one‘s knowledge. For the completeness and for the total correctness of contents of this ranking list cannot be taken over guarantee. If there are noticed mistakes in the list, please send us a message and – if possible – the source of your information. Textfeld: Ranking list Investment in knowledge average 1990-2003, US $ p c cp. sustainability