21.   But rates plummet when the summer heat sets in.

22.   Francis predicts that thepiracy rate will plummet by half if offendors are jailed.

23.   Hotel owners who have seen their occupancy rates plummet because of the increasing violence will be allowed to reschedule their debts.

24.   Hotel owners who have seen their occupancy rates plummet due to the increasing violence will be allowed to reschedule their debts.

25.   In Cairo, too, hotel occupancy rates have plummeted.

26.   Crime rates have plummeted in the Afghan capital of Kabul since the interim government of Hamid Karzai was installed in December, an interior ministry official said Monday.