A slow afternoon here in the office gave me a chance to finally compile the April data. I think there was a problem with my search form script insofar as I see a lot of duplicate and triplicate results. (Don't remember seeing this in the May data so apparently I fixed it.)
Whatever the case, interpolate with abandon and extrapolate with care:
lastgoogle_queries_200604.sql.gz (93 kb)
All Last Google Datasets