It stays on top for weeks theirs no back and forth switching, it just doesn't budge for a while

Do you guys prefer this way or multiple number 1's sharing the attention?. I don't know just like Uptown funk got boring so soon, see you again is starting to tug on my wig a biT

It's not that hard to figure out sis

well, thats just the case for the US. In the UK, the #1 most likely changes every week in case its not an uber smash.