[Mark McLeod]

Remembering that some team attrition is normal...
The Canadian teams missing now from last year are:

188 Toronto, ON, Canada
843 Oakville, ON, Canada
886 North York, ON, Canada
919 Toronto, ON, Canada
1009 North York, ON Canada
1053 Ottawa, ON, Canada
1219 Toronto, ON, Canada
1221 Mississauga, ON, Canada
1246 Scarborough, ON, Canada
1404 Toronto, ON, Canada
1514 Toronto, ON, Canada
1535 Sault Ste Marie, ON, Canada
1605 Toronto, ON Canada
1835 Toronto, ON, Canada
2076 Toronto, ON Canada
2185 Toronto, ON
2198 Toronto, ON, Canada
3531 Montreal, QC, Canada
3739 London, ON, Canada
3978 Montreal, QC Canada
3980 Montreal, QC Canada
4022 Waterdown, ON Canada
4062 Ste-Genevieve, QC Canada
4094 Angus, ON Canada
4147 Yarmouth, NS Canada
4236 mississauga, ON Canada
4248 Whitby, ON Canada
4249 Brampton, ON Canada
4250 Cobourg, ON Canada
4258 Markham, ON Canada
4307 Ajax, ON Canada
4308 Mississauga, ON Canada
4357 Port Hope, ON Canada
4367 Mississauga, ON Canada
　

A defunct veteran team tried to return but dropped:

2609 Guelph, ON Canada (last played in 2011)


Also rookies who registered then dropped out were from:

Calgary, AB Canada
Calgary, AB Canada
Westlock, AB Canada
Shawnigan Lake, BC Canada
Tecumseh, ON Canada
Richmond Hill, ON Canada
Mississauga, ON Canada