That'd be cool, there may be some way to look that up but I don't know how. Compiled in one place for easy browsing would be cool. And have different pages for top memes per year or even month.
shameless plug for this stream I made a few weeks ago: not "top memes" per se but a place where memers can put one meme of theirs that they think is significant or they want remembered.
imgflip.com/m/ImgFlip_TimeCapsule