Maybe I can help out here. For regular circulation polar bear coins there is from 1996-1998, 2001,2002,2004-2006,2007-2019. 2003 polar bear has two varieties (old & new queen effigies). 2006 also has a churchill variety-polar bear nose up, and a RCM logo variety-date on top. 1999- Nunavut only. 2000 knowledge only. 2008 Also Québec City variety. 2010 has a 14 serrations on the edge of coin variety. 2011 has a Boreal Forest variety. 2012 has the much more common security mark variety with 2 circles next to “2”. 2012 also has HMS Shannon ship variety. 2014 has the “wait for me daddy” (Definately my favorite) variety. 2015 sir John A Macdonal (i’m tired of saying variety), And In Flanders Field.
2016 has Battle of Atlantic.
2017 has Dance (northern lights) regular and glow in the dark versions. Also Battle of Vimy Ridge.
2018 has Armastice regular and color.
2019 has D-Day regular and color.
2020 has Bill Reid regular and color.
I hope this helps – if you keep an eye on your change, you’ll be surprised at what you get!!