Charlotte Facts , Stats and trivia by Destination Charlotte the book

Visitor Spending Increases To $3.7 Billion+ In Mecklenburg County In 2010 The economic impact of tourism in Mecklenburg County grew by 12.21 percent in 2010, with visitors pouring $3.7 billion+ into the local economy. Only three out of 100 North Carolina counties saw more than a billion in visitor spending,

http://www.foxcharlotte.com/news/nc-news/Visitor-Spending-Increases-To-37-Billion-In-Mecklenburg-County-In-2010-128022803.html