cumulative
adjective
uk/ˈkjuːmjələtɪv/ usincreasing by one addition after another, and including all the amounts that have been added before:
The cumulative effect of using so many chemicals on the land could be disastrous.
The company estimated the net cumulative loss would be $26 million.
I've long believed that the cumulative wisdom of investors can tell us volumes about the future economic environment.
cumulatively
adverb uk/ˈkjuːmjʊlətɪvli/ us/-ṱɪv-/
The states have budget shortfalls cumulatively totalling $300 billion.