Google Trends.
https://www.amazon.de/gp/product/B00PIEC06K/ref=as_li_tl?ie=UTF8&tag=badprodukte-21&camp=1638&creative=6742&linkCode=as2&creativeASIN=B00PIEC06K&linkId=2d26dbaeda15fb2c8d4415fba980ea82
Interest Over Time
Showcase the interest of particular items over specific years
Regional Interest
Helpful to showcase regional Interest on particular topic
Related Searches
Explains related searches to specific topic or queries