[...] rankings remain mostly unchanged from last year, with one major addition: Name.com. Making the top five is especially surprising given that it [...]

Here is the real list:

1. Fabulous
2. Name.com
3. Dynodot

and then nobody for a while.

You should actually keep your stuff out of US.

[...] apply some kind of coupon code with any purchase I make. They have also recently been rated as the top domain registrar by a group of [...]

HUH ? Answerable is registrar belonging to Skenzo group, although they are Snapnames partner, they are just one registrar, one connection. Snapnames has 100 own registrar managed under manage.snapnames.com (in Answerable panel is also managed tens of registrars but those does not belong to Snapnames either, those are probably Logicboxes client registrars)