No lo puedo confirmar pero creo que esta claro que son datos para el mercado Estadounidense.
"-In the three months following the price decline for all three next-gen systems, XBOX continues to have the largest gain on a percentage basis (XBOX +84% , PS2+ 75% , and GC +71% ).
-After nine months in the market, XBOX has sold 11 million units of software in the United States, the most ever duing th first Nine months for a new console.
-The Current XBOX attach Rate of 4.3 is the highest of all next-gen systems at nine months in the market (PS2-3.2 , GC-3.7)
-XBOX continued the strong momentum in July, taking %21 percent of next-gen console sales and outselling GameCube by %40 percent over the past three months.
-In July, XBOX sold %55 more software than GameCube
-Xbox had 2 titles (HALO and NCAA) in the overall console top 10 for July, while GameCube did not have any on the list.
-To date, 3rd Party publishers have sold %47 more software on the XBOX than they have for the GameCube.
-HALO returned to be the number on XBOX title in July, attaching at %55 to new XBOX console sales.
-XBOX currently has more than 100 titles in the market and will have more than 200 titles by the end of the year."
Fuente: Play Magazine: October 2002 Issue. Volume 10, Pg. 16