During 2009, total hog exports amounted to 6.4 million head, down 31.9% from 2008.
Slaughter levels in Canada have been increasing since 2007, but are still below the peak of 22.9 million head reached in 2004. In 2009, slaughter reached 21.8 million head.
http://www.statcan.gc.ca/pub/23-010-x/2010001/aftertoc-aprestdm1-eng.htm