31.   There are no reliable estimates of the homosexual population in this conservative and heavily Catholic nation, where homosexuality is generally kept in the closet.

32.   There are no reliable estimates of their numbers but this could mean a new source of revenue for the hard-pressed Canadian health system.

33.   There is no reliable estimate of the number of such households.

34.   There are reliable estimates that probably more than half of the forces fighting in Kashmir were Pakistani regulars.

35.   There are no reliable estimates of how many people remain.

36.   There are no reliable estimates of the number expelled every year because the expulsions are carried out without any court proceedings.

37.   There are no reliable estimates of the number of weapons that rebels possess.

38.   There are no reliable estimates on Arab-Israeli trade.

39.   There are no reliable estimates of the number of civilians wounded.

40.   Until Tuesday, the Foreign Ministry had said it had no reliable estimate of the number of missing Germans.