[Feature Request] Download trends over time

[mrienstra]

Not sure how you're getting the data to compute trending z-score, but presumably it could also be used to do some of the following, which could be useful:

1. Graph of download rate since release or over the last year
2. Download count in last month
3. ... 3 months
4. ... 6 months
5. ... year

Right now, as far as I can tell, there is a big gap between "popular enough to have a non-zero z-score" and "little to no download activity for some time", these stats could close that gap.

My use case: I noticed two community plugins that need new maintainers, I didn't see an existing forum thread about the topic, so I thought I'd start one. I found your site, hoping to use it to let prospective maintainers get a sense of how popular these plugins are. Alas, they both have a zScoreTrending of 0.