without any others being included or involved; "was entirely to blame"; "a school devoted entirely to the needs of problem children"; "he works for Mr. Smith exclusively"; "did it solely for money"; "the burden of proof rests on the prosecution alone"; "a privilege granted only to him"

means all or substantially all (i.e. generally 90 per cent or more) except in the case of financial institutions, for which it means all (i.e. 100 per cent). Compare: all or substantially all; primarily.