Generate number (average over 3 months) for this report:
https://meta.wikimedia.org/w/index.php?title=File%3AWikimedia_Foundation_Quarterly_Report%2C_2014-15_Q2.pdf&page=4
- Historical data available from Wikistats based on legacy definition, complete data for Q2 is missing http://reportcard.wmflabs.org/graphs/new_editors
- Vital Signs has counts per project, no historical data and no notion of deduplication
- Recommendation: use the same extrapolation ErikZ is suggesting for TAE (EZ) T88403#1030929