Yes, I do.
http://www.sony.net/SonyInfo/IR/library/er.html
Here is Sony's Investor briefings by quarter. You can go all the way back to well before the Playstation 3 launched. This has the revenue, earnings, and unit sales data.
http://www.nintendo.co.jp/ir/en/
You can find the same information for Nintendo's systems here.
http://www.microsoft.com/investor/E...s/PressReleaseAndWebcast/FY12/Q4/default.aspx
Here is Microsoft's earnings releases. They are slightly less transparent and do not provide earnings for their individual divisions (including Entertainment devices division).
In other arenas, you can find information and sales of different games consoles here:
http://en.wikipedia.org/wiki/Video_game_console
The only systems that really come close to the PS3's drop in marketshare are the SNES and Nintendo 64. If you measured Nintendo's decline from the NES and jumped immediately over the SNES (i.e. measured their decline from NES -> N64), the total marketshare loss is greater.
Interesting reads, thanks. I knew it was bad, just not that bad.
I hope they just bail out of handhelds [very soon] and focus on PS4. But Vita has already hurt that pretty bad I assume.