11.   Dagres figures that number will double this year.

12.   For the Olympics, that number could double.

13.   For the Super Bowl, that number could double or triple.

14.   He expects that number to double by the end of the year.

15.   He said that number may double after property owners get out to survey their damage.

16.   He said the military originally had seven detection systems, but that the number had at least doubled.

17.   In just two years, their number has doubled, according to Cerulli Associates, a Boston consulting firm for the financial services industry.

18.   In September voters turned out in numbers nearly double the previous record for a Des Moines school board election.

19.   Last year, the number doubled, and the church was well represented, the minister said.

20.   Microsoft said the number will double by January.