From 2005 - 2011 it was a Canadian royalty trust ( CANROY ) .
From 2005 - 2011 it reached a peak market capitalization in January 2008 of approximately US $9.5 billion .
From 2005 - 2011 it was a Canadian royalty trust ( CANROY ) , and reached a peak market capitalization in January 2008 of approximately US $9.5 billion .