hard to put a solid number on it, but my good days usually number around 50-100 fish per day (right lake, right location, right conditions).
this year has been tough though. my go-to lake has been heavily pressured to the point that the gills are extremely scattered and spooky, my backup lake got drawn too far down for irrigation last summer and is now about 2 feet deep (100% winterkill is probable), and third best option is snowed in, no access. the bluegills i've managed to catch have been few and far between, though the size hasn't been too bad (averaging 8 inches). this is the first year that i've caught more largemouth through the ice than bluegills.