Last modified: 2014-03-11 16:55:59 UTC
This breakdown of Wikibooks project by content has not been updated for a long time. It should be refreshed as part of monthly job. http://stats.wikimedia.org/wikibooks/EN/Wikibooks_EN.htm
Prioritization and scheduling of this bug is tracked on Mingle card https://wikimedia.mingle.thoughtworks.com/projects/analytics/cards/cards/1393
Its a massive and informative report and very useful for Wikibooks authors. But in a full year only one person complained about this report not begin refreshed.