Which of the following statements about U.S. foreign aid in comparison to other wealthy countries is true?

The U.S. gives more (as a percentage) of its GDP than any other country.

U.S. religious charities give more in foreign aid than the U.S. government.

The U.S. gives more foreign aid now than it gave at any time in the last 40 years.

The U.S. gives more total dollars in foreign aid, but other countries give more as a percentage of their wealth.