At this adress
http://sammler.ru/index.php?act=Atta...ost&id=1048571 is a file listing the Ju 87 losses on the Eastern front (or at least pretending to).
Only one loss on 14 Feb 1943, the Ju 87R-4 WNr 6268 of 3./St.G. 5 was damaged beyond repair (at 80%) in a forced landing at Konaschewo due to Flak. Crew OK.