21.  A number of police officers and revelers were injured, but officials could not provide exact numbers initially.

22.  But administration officials differ on the exact number.

23.  But he says that it is difficult to know the exact number of adherents in the United States.

24.  But he would not provide an exact number.

25.  But how does Gore know the exact number of such ballots?

26.  But no one knows the exact number of civilians killed by the Nazis, who were reponsible for the mass murders.

27.  But the exact number of basic petrochemicals has never been incorporated into the laws regulating the industry.

28.  But the exact numbers matter less than the essential point that the system needs tightening to guarantee that closed bases actually do shut down.

29.  China executes more people each year than the rest of the world combined, although the exact number is a tightly guarded state secret.

30.  Casualties were reported to be heavy, though exact numbers were not available.