11.   Elephants are a national symbol in Thailand, but their numbers are diminishing because of poaching and loss of habitat.

12.   However, their numbers have diminished in recent years.

13.   Prawit said Chat Pattana would prefer the number of parties diminish to only a few.

14.   Their numbers have diminished in the cities over the years, however, as many moved to outer suburbs.

15.   Their numbers have diminished in the cities as many moved to the suburbs.

16.   The number of undecided diminish with each poll.