Separate consortium reports are not currently available under R5. Per COUNTER: The development of this tool has taken longer than we would like. We have been waiting for a content providers working R5 SUSHI server for testing. This is now underway, and we should be able to update on progress shortly.
In the meantime, consortium administrators are able to access the usage statistics for individual consortium member institutions, from a single login, using the same user id and password.