Their number exploded and by 1994, there were over 61 million pagers in use.

And the company expects the number of such users to explode to 256,000 by 1996.

It has no natural enemies in California, and its numbers are exploding.

With the opening of the hospital, this number exploded literally.

The number of people who choose to live together rather than marry has exploded in the last few decades.

He likes big numbers to build and explode like fireworks.

"But in the last five years," he said, "the number has exploded."

Then there are rats, whose numbers have exploded in parts of town.

Administration officials are uncertain about why the number of Haitian boat people has exploded.

In 1900 there were thirty museums, but by 1950 the number had exploded to 410.