s that:         Manufacturing or distributing a controlled substance need not be the sole purpose        for which the premises was maintained, but must be one of the defendant's primary        or principal uses for the premises, rather than one of the defendant's incidental or        collateral uses for the premises. In making this determination, the court should        consider how frequently the premises was used by the defendant for manufacturing        or distributing a controlled substance and how frequently the premises was used by        the defendant for lawful purposes