We've been using awstats together with Maxmind's GeoLite City (now GeoLite Legacy City) database for website statistics of a non-profit organization.
The percentage of unknown cities (the ones not found in the database) has long been at some 15 - 20%. But approximately since August - September 2013, the percentage jumped to over 40 - 50%, and these days (April 2014), it's at some 60%, which is really high, the data are becoming unusable.
We download the up-to-date GeoLite City database every month.
Does somebody know why has the Maxmind GeoLite Legacy City degraded that much in accuracy over past months? Is it because of new GeoLite2 City database format? We would consider moving to GeoLite2 City, but current awstats lacks plugin for that database.