The IEA's paper points out to a figure that is undeniably wrong. However, this piece of data is not to be found in any of our reports, but only in the media. This event reveals the importance of considering system-wide dynamics as a whole.
F. Lemmerich, M. Becker, and F. Puppe. Proceedings of the European Conference on Machine Learning and Knowledge Discovery in Databases (ECML PKDD), page 288--303. Berlin, Heidelberg, Springer, (2013)