The exact number of people murdered is unknown, but estimates range between 12,000 and 16,000 victims.

At least 12,000 such compounds have been isolated so far; a number estimated to be less than 10% of the total.

Unfortunately Brown provides no numbers estimating the size of this market.

The total number was confidential and estimates on the numbers recruited range from 1800 to 5000 men.

Total number of Soviet audience estimated 33 million 100 thousand.

A number of economists have estimated that the carbon prices will probably range between $20 and $40 per ton.

The Baka's exact numbers are difficult to determine, but estimates range from 25,000 to 60,000 individuals.

A large number of organizations estimate that contributions will be about 10 percent higher than a year ago.

The exact number of famine deaths is difficult to determine, and estimates range from 18 to at least 42 million people.

Estimation - The user must round numbers to estimate the answer.