This is “search it yourself” chart that will allow you to see how has run as an Independent Candidate Since 1967.

http://www.parl.gc.ca/information/about/process/house/hfer/hfer.asp?Language=E&Search=C

It is amazing (and tragic) to see that how few Independents have run in Ontario and particularly in downtown Toronto. In fact in the 2006 election only 28 independent candidates ran in Ontario and not a single one in Downtown Toronto.

You will find a summary for Ontario here:

http://www.parl.gc.ca/information/about/process/house/hfer/hfer.asp?Language=E&Search=Cres&canName=&canParty=39&ridProvince=9&ridName=&submit1=Search

Quebec has had 24 independent candidates since  2006 (17 in the January 23, 2006 election) with a large number of those coming from a by-election in Outremont.

http://www.parl.gc.ca/information/about/process/house/hfer/hfer.asp?Language=E&Search=Cres&canName=&canParty=39&ridProvince=10&ridName=&submit1=Search

Conclusion: Independent candidates are in short supply.