1 2 3 4 5
{ label: 'USA', data: [[1999, 4.4], [2000, 3.7], [2001, 0.8], [2002, 1.6], [2003, 2.5], [2004, 3.6], [2005, 2.9], [2006, 2.8], [2007, 2.0], [2008, 1.1]] }