Spending of visitors from Canada and Mexico increased by 18% while British travelers spent 11% more in 2010.

FORBES: Globetrotters Paying Fees Give Visa Upside

The web site has received almost one million visitors since its launch on April 3, 2000, and the number of travelers accessing the site nearly doubles each week.

WHITEHOUSE: Joshua Gotbaum Statement to House Management, Information, and Technology Subcommittee, 06/14/2000 | The White House

While Chinese travelers continue to shun Japan, visitors from the rest of Asia, Europe, and Russia have more than made up for the gap.

WSJ: Tourists Check Out a Newly Affordable Japan

The U.S. has become the leading destination for Chinese tourists outside Asia, and Chinese travelers have one of the highest per capita spending ratios of all foreign visitors.

WSJ: Thilo Hanemann and Dan Rosen: Chinese Investment 2.0