Both said they had done nothing to press people to contribute.

Since the beginning of the project, over 8,000 people have contributed.

More than 30 people from 16 different countries contributed to the project in 2003.

In total over 40 people contributed to the Polymath1 project.

At various times, more than 50 different people contributed to the project.

Working is only one way that people contribute to a community.

And other people contribute a little money when it comes in.

How do people contribute to their future needs if there's no work?

More than 4,000 people have contributed to this year's campaign.

Over 600,000 people contributed to the $50 million construction cost.