This is currently unimplemented on our side; You should add the fields to sort by range (X..Y), where either parameters is optional, and assume the the code to handle this would be pretty much identical to the code used for the others - something along the lines of PageViews::getJoin( 'page_id', X, Y).
Relevant reports:
Filters:
PageViews::getJoin( 'page_id', X, Y)
.