Cooley and Fenwick track a lot of term sheet trends. See https://www.fenwick.com/topics/pages/topicsdetail.aspx?topicname=vc%20survey https://www.fenwick.com/to

Cooley and Fenwick track a lot of term sheet trends. See https://www.fenwick.com/topics/pages/topicsdetail.aspx?topicname=vc%20survey https://www.fenwick.com/topics/pages/topicsdetail.aspx?topic... and https://www.cooleygo.com/trends/ https://www.cooleygo.com/trends/. The Fenwick reports go back at least a decade. Maybe someone will a lot of free time will put them on a graph someday :)