“U.S. / Canadian Licensing in 2003: Survey Results,” les Nouvelles, Dec 2004, p. 139 ff.
“U.S. / Canadian Licensing in 2004: Survey Results,” les Nouvelles, Dec 2005, p. 145 ff.
“U.S. / Canadian Licensing in 2005: Survey Results,” les Nouvelles, Dec 2006, p. 233 ff.
“U.S. / Canadian Licensing in 2006: Survey Results,” les Nouvelles, Dec 2007, p. 641 ff.
All the above papers are available as pdfs on the LES Licensing Foundation website (formerly called the Licensing Foundation).