I know we have contributed more than our share of them in recent years.

The energy services group contributed $332 million, or 37 percent, in 1996.

I'm out here to contribute in any way I can.

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

So they contribute to the cost of society in general.

I would love him to contribute in any way he can.

Women cannot be asked to contribute in the same way as men.

He also contributed much to the development of cultural activities in the city.

It gave me a chance to contribute in a serious way.

He contributed to the best period in the history of the club.