China wants to double the size of its economy by 2020.

But only one has been known to double the size of an entire country.

In 2010, the school doubled the size of their student body to more than 1,500 students.

"We have actually more than doubled the size of our religious school in the last seven years."

Changes in any of these factors would not usually double the size.

A 1937 addition nearly doubled the size of the building.

In 2004, a new building was added, doubling the size of the school.

"We have doubled our size every year for the last four years," he said.

Next year he plans to double the size of his operation to 4,300 square feet.

Plans are being drawn up to double the size of the station by 2014.