But no reliable numbers exist because the papers do not count their circulation the same way.

I knew people had fasted for very long times, but I didn't have any reliable numbers on it.

There are not enough public polls in Montana to offer reliable independent numbers on each candidate's popularity.

"There seems to be a total absence of any reliable numbers on anything," he said.

A reliable number of casualties is nowhere to be found, and probably never will.

On the other hand, the white non-Hispanic population is generally older and comes to the polls in reliable, high numbers.

One reliable number is the Federal budget, which includes more than $15 billion this year for drug enforcement, treatment and prevention.

It is difficult to get a reliable number for the urban Indian population.

With reliable numbers hard to come by, whether the total ranks of Catholics in the region are growing or shrinking is unclear.

But the issue is clouded by a dearth of reliable numbers.