While in previous years the average grant was $50,000 for two years, grants starting in 2007 have been issued in the range of $100,000 to $300,000 for two to three years.
往年，平均赠款额为50 000美元，期限为两年，自2007年起，赠款额为100 000至300 000美元，期限为二至三年。