Varies according to airport, country and location No single answer fits all, not even here in the UK.
Generally, here it's 6,000 ft ASL, but it varies from 5,000 ft in Manchester and Doncaster down to as little as FL245 in some cases. And will also vary according to aviation activity. FWIW I generally avoid the Flight Levels as that is beneficial for VFR in many cases. There is no `single .csv` or anything... I've never been made aware of one for any other country, for that matter. And believe me, I've looked... You might need to first look up `Level Bust` as definition. Sometimes the real world impinges on your simulation activity!