AS OFTEN AS NOT
Meaning of AS OFTEN AS NOT in English
as often as not | more ˌoften than ˈnot
usually; in a way that is typical of sb/sth :
As often as not, he's late for work.
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005