N#381275 - This listing has year lines which are either already listed elsewhere, or don't exist, or belong somewhere else.
2013 - Numista lists that year under N#381278 with identical mintage and afaik there weren't any 2013s struck with security mark (laser-engraved maple leaf). The security mark and radial lines were introduced in 2014 and there is already a listing for KM# 1601
2014 bullion without radial lines - Cannot find any evidence of this variant's existence
2014 Proof - There was an article announcing a reverse proof version and here is an example of a graded one, which I would argue should go under N#381278, but there is no info about a “regular” proof. There is also a reverse proof with horse privy, but that should probably go under N#9164