Still, that number "ballooned" from only 7 such cases in 1991, he said.

By May 2009, the number had ballooned to 20 million current subscribers.

By 2016 it forecasts that number will have ballooned to 892 million.

The number of judges has also ballooned from 9 to 15.

By 2000 this number ballooned to almost over two million users.

During the following year, those numbers had ballooned to 17,800.

Yet in the last three years, the numbers have ballooned, locals said.

But that number ballooned after 17 million cases of products were returned.

The number of contractors has ballooned to 71 from 50 in recent months and is still growing, he said.

By 2000, that number had ballooned to $16.5 million, good for eighth place.