These statistics are published in an article by Ezra one year ago. I can find no retraction due to error.
http://www.torontosun.com/2014/08/25...for-an-inquiry
Here is the RCMP overview with the same facts. It does state that aboriginal women are over represented but I wonder if other minority women might also be over represented.
http://www.rcmp-grc.gc.ca/pubs/mmaw-faapd-eng.htm