From the 3 console makers own official fiscal reports : http://www.neogaf.com/forum/showthread.php?t=111003
Tentative to reproduce some here :
FY* Sony** Nintendo Microsoft
1998 974,000,000 629,000,000
1999 1,130,000,000 645,000,000
2000 730,000,000 421,000,000
2001 -409,000,000 726,000,000
2002 623,000,000 800,000,000 -750,000,000
2003 939,000,000 560,000,000 -1,191,000,000
2004 650,000,000 316,000,000 -1,215,000,000
2005 404,000,000 777,000,000 -485,000,000
2006 75,000,000 894,000,000 -1,262,000,000
2007 -1,969,000,000 1,489,000,000 -1,892,000,000
2008 -1,265,000,000 2,480,000,000 426,000,000
2009 51,000,000 1,026,000,000
Totals 1,953,000,000 10,762,000,000 -6,369,000,000
There you have it. The PS3 ate up all the PS2 profits already and then some of the PS1 profits.
In more than 10 years, the total profit of Sony Entertainment division (which includes Playstation mostly) is barely equal to its first 2 years of profit.