Group 1, 2003.
Item 1, Canada 68.
Item 2, Mexico 22.
Group 2, 2004.
Item 1, Canada 14.
Item 2, Mexico 1.
Group 3, 2005.
Item 1, Canada 19.
Item 2, Mexico 1.
Group 4, 2006.
Item 1, Canada 37.
Item 2, Mexico 11.
Group 5, 2007.
Item 1, Canada 44.
Item 2, Mexico 23.
Group 6, 2008.
Item 1, Canada 38.
Item 2, Mexico 12.