Unfortunately, Notion currently does not have the capability to generate charts directly from a database table. The charts below therefore are embedded from a Google spreadsheet that needs to be updated regularly (learn how to do this here).

https://docs.google.com/spreadsheets/d/1lc7KM9Bkq02AU8pYUUUmAinAkX11JDLO0J_kTfpXuJo/edit?usp=sharing