U S Open

I was watching the U S Open Tennis matches.

Player	Country of Origin
Novak Djokovic Rafael Nadal Maria Sharapova Andy Roddick Roger Federer Justine Henin Venus Williams Serena Williams Svetlana Kuznetsova

Complete the chart. What does it tell us? Go to echalk. I have placed some HTML code that you can copy and paste to create a table. Create a post in your blog.