For statistics, see https://www.mediawiki.org/wiki/Development_statistics . As a starting point to look into what you call "productivity", I usually use: * https://www.openhub.net/orgs/wikimedia * http://koti.kapsi.fi/~federico/crstats/core.txt + http://koti.kapsi.fi/~federico/crstats/extensions.txt
Nemo