Gamespot GotM awards this year which have been exclusive (timed or otherwise) to the platform in question:
GameCube - 5 ( Tales of Symphonia, Zelda Four Sword Adventure, Harvest Moon: A Wonderful Life, Final Fantasy: Crystal Chronicles, Sonic Heroes)
Xbox 4 (Chronicles of Riddick, Rallisport Challenge 2, Splinter Cell Pandora Tomorrow, Ninja Gaiden)
PS2 - 1 (Maximo vs Army of Zin)
Only one platform that hasn't produced the exclusives this year and it isn't GameCube.
GameCube - 5 ( Tales of Symphonia, Zelda Four Sword Adventure, Harvest Moon: A Wonderful Life, Final Fantasy: Crystal Chronicles, Sonic Heroes)
Xbox 4 (Chronicles of Riddick, Rallisport Challenge 2, Splinter Cell Pandora Tomorrow, Ninja Gaiden)
PS2 - 1 (Maximo vs Army of Zin)
Only one platform that hasn't produced the exclusives this year and it isn't GameCube.