[mikaeluman]

Out of all thousands of products, goods and services you will find plenty that track the official number "fairly well" out of of pure chance.

I fail to see any significance of this one chart.

[cjs_ac]

The retail price of eggs was a significant talking point in the campaign for the last US presidential election (which I'd forgotten until I saw this post).

[chrisco255]

That's because they slaughtered a huge amount of chickens due to bird flu. As you can see from the chart, the egg prices have plummeted as chicken populations have recovered.