It is in tha last issue of Race Engine Technology Magazine....
_______Year_ |_ 2002__|__2003__|__2004_|
Engine/Power
.Honda_______|__830___|__900__|__930__|
.BMW________|__830___|__900__|__915__|
..Toyota______|__850___|__890__|__915__|
..Ferrari______|__850___|__885__|__915__|
.Mercedes____|__810___|__875___|__905__|
Renault______|__820___|__850___|__880__|
Cosworth(90)_|__850___|__875___|__880__|
Cosworth(72)_|________|__830___|__840__|
* In horsepower