03/25/2013 08:44 EDT | Updated 03/25/2013 08:45 EDT

Tim Hortons Roll Up The Rim Win-Loss Survey

As Tim Hortons' Roll Up The Rim contest continues, we're asking you to help us tally up your wins and losses. Recently, HuffPost Canada did an unscientific experiment testing one of the theories: If you buy a larger sized coffee, does your chance to win increase?

Help us by filling out our national Roll Call. We'll turn our results into a national look at Roll Up The Rim wins and losses.

Our form continues under gallery

Roll Up The Rim Cup Odds