In 2006, Canada's book publishing revenue was Can $2.1 billion, down 1.2% from the 2005 revenues. [Source]
The operating expenses went up by 0.9% because of increased salaries, wage and other benefits. Thus, the profit margin has come down to 10.3% from 12.1% the previous year.
Interesting stats. Now, how long do we have to wait to get the stats for the year 2007?